APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.