APA (7th ed.) Zitazioa
Mullay, M., & Schlicke, P. (1993). Watford's guide to reference material (6th ed.). Library Association.
Chicago Style (17th ed.) Zitazioa
Mullay, Marilyn, eta Priscilla Schlicke. Watford's Guide to Reference Material. 6th ed. London: Library Association, 1993.
MLA (9th ed.) Zitazioa
Mullay, Marilyn, eta Priscilla Schlicke. Watford's Guide to Reference Material. 6th ed. Library Association, 1993.
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