Dictionaries, Encyclopedias and Other Sources
Dictionaries, legal encyclopedias, looseleaf services, IP materials, company documents, correspondence and interviews.
AGLC4 Chapter 7 covers a range of specialised sources that do not fit neatly into categories such as cases, legislation, books or journal articles.
These include dictionaries, legal encyclopedias, looseleaf services, intellectual property materials, company documents, correspondence and interviews. Each type of source has its own citation format.
Dictionaries
A dictionary citation identifies:
- the dictionary title;
- the edition and year (for print dictionaries);
- the entry being consulted; and
- the definition number (if needed).
If an entry contains multiple definitions, include the number of the definition you are relying on.
Title of Dictionary (edition, year) ‘entry’ (definition number).
Online dictionaries
Online dictionaries do not have an edition and publication year in the same way as print dictionaries. Instead, include the date you accessed the entry.
Legal encyclopedias
Legal encyclopedias are updated regularly, so the citation must identify the version being used. A citation includes:
- the publisher;
- the title of the encyclopedia;
- the volume;
- the currency date;
- the title number and name;
- the chapter number and name; and
- the paragraph number.
The currency date is important because the content of an encyclopedia may change over time.
Publisher, Title of Encyclopedia, volume (at date) Title number Name of Title, ‘Chapter number Name of Chapter’ [paragraph].
Looseleaf services
Looseleaf services are cited similarly to legal encyclopedias.
The main difference is that the citation may identify the relevant release number instead of a currency date, depending on how the service is organised.
Intellectual property materials
AGLC4 provides specific rules for intellectual property registrations, including patents, trade marks and designs. These citations identify:
- the jurisdiction code;
- the type of intellectual property right;
- the registration or application number;
- the filing date; and
- the registration status.
Company documents
Company constitutions and similar governing documents are cited by identifying the type of document, the company name, the version date and the relevant clause.
Document type, Company (at date) pinpoint.
Correspondence and interviews
Correspondence and interviews are usually unpublished materials. Examples include emails, letters and personal interviews.
Because these materials may not be publicly available, they should only be cited where the reader can reasonably access the material, or the assessment permits their use.
Correspondence
A correspondence citation includes the type of correspondence, the sender, the recipient and the date.
Form of correspondence from Sender to Recipient, day month year.
Interviews
An interview citation includes the interviewee and their position, the interviewer, the location and the date.
Interview with Interviewee, Position (Interviewer, Place, day month year).
Quick identification guide
| Source | Key information |
|---|---|
| Dictionary | Title + entry + definition |
| Legal encyclopedia | Publisher + title + currency date + paragraph |
| Looseleaf service | Publisher + service + release or date |
| IP material | Right + registration details |
| Company document | Document type + company + clause |
| Email or letter | Sender + recipient + date |
| Interview | Interviewee + interviewer + date |
Related Index entries
Legal dictionaryLegal encyclopediaLooseleaf servicePatent, trade mark or designCompany constitutionLetter, email or memorandumInterviewLast reviewed 4 August 2026