APA način citiranja (7. izdanje)

(1987). Walford's guide to reference material (4th ed.). Library Association.

Čikaški stil citiranja (17. izdanje)

Walford's Guide to Reference Material. 4th ed. London: Library Association, 1987.

MLA način citiranja (9. izdanje)

Walford's Guide to Reference Material. 4th ed. Library Association, 1987.