APA-referens (7:e uppl.)

Mudge, I. G. (1951). Guide to reference books (7th ed.). American Library Association.

Chicago-referens (17:e uppl.)

Mudge, Isadore Gilbert. Guide to Reference Books. 7th ed. Chicago: American Library Association, 1951.

MLA-referens (9:e uppl.)

Mudge, Isadore Gilbert. Guide to Reference Books. 7th ed. American Library Association, 1951.