APA-referens (7:e uppl.)

Babbie, E. R. (1977). Society by agreement: An introduction to sociology. Wadsworth Pub.

Chicago-referens (17:e uppl.)

Babbie, Earl R. Society by Agreement: An Introduction to Sociology. Belmont, Calif: Wadsworth Pub, 1977.

MLA-referens (9:e uppl.)

Babbie, Earl R. Society by Agreement: An Introduction to Sociology. Wadsworth Pub, 1977.