APA-referens (7:e uppl.)

Schaefer, R. T. (2004). Sociology: A brief introduction (Fifth edition.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Schaefer, Richard T. Sociology: A Brief Introduction. Fifth edition. Boston: McGraw-Hill, 2004.

MLA-referens (8:e uppl.)

Schaefer, Richard T. Sociology: A Brief Introduction. Fifth edition. McGraw-Hill, 2004.