APA引文

Walford, A. J. Guide to Reference Material (3rd ed.). The Library Association.

Chicago Edition Citation

Walford, A J. Guide to Reference Material. 3rd ed. London: The Library Association.

MLA引文

Walford, A J. Guide to Reference Material. 3rd ed. The Library Association.

警告：這些引文格式不一定是100％准確.