APA-referens (7:e uppl.)

Friedman, H. A. (1942). Newspaper indexing. Marquette University Press.

Chicago-referens (17:e uppl.)

Friedman, Harry A. Newspaper Indexing. Milwaukee, Wis: Marquette University Press, 1942.

MLA-referens (9:e uppl.)

Friedman, Harry A. Newspaper Indexing. Marquette University Press, 1942.