APA-referens (7:e uppl.)

Ulrich, R. E. (1966). Control of human behavior. Scott, Foresman.

Chicago-referens (17:e uppl.)

Ulrich, Roger Elwood. Control of Human Behavior. Glenview, IL: Scott, Foresman, 1966.

MLA-referens (9:e uppl.)

Ulrich, Roger Elwood. Control of Human Behavior. Scott, Foresman, 1966.