APA-referens (7:e uppl.)

Landis, J. R. (1992). Sociology: Concepts and characteristics (Eighth edition.). Wadsworth.

Chicago-referens (17:e uppl.)

Landis, Judson R. Sociology: Concepts and Characteristics. Eighth edition. Belmont, California: Wadsworth, 1992.

MLA-referens (9:e uppl.)

Landis, Judson R. Sociology: Concepts and Characteristics. Eighth edition. Wadsworth, 1992.