(1987). Walford's guide to reference material (4th ed.). Library Association.
Chicago Style (17th ed.) CitationWalford's Guide to Reference Material. 4th ed. London: Library Association, 1987.
MLA citiranjeWalford's Guide to Reference Material. 4th ed. Library Association, 1987.
Opozorilo: Ti citati niso vedno 100% točni.