APA-referens (7:e uppl.)

Nelson, S., & Keim, W. G. (1940). Price behavior and business policy. [publisher not identified].

Chicago-referens (17:e uppl.)

Nelson, Saul, och Walter G. Keim. Price Behavior and Business Policy. [Washington]: [publisher not identified], 1940.

MLA-referens (8:e uppl.)

Nelson, Saul, och Walter G. Keim. Price Behavior and Business Policy. [publisher not identified], 1940.