APA (7e ed.) Bronvermelding

Schaefer, R. T., & Lamm, R. P. (1997). Sociology--a brief introduction (2nd ed.). McGraw-Hill Companies.

Chicago (17e ed.) Bronvermelding

Schaefer, Richard T., en Robert P. Lamm. Sociology--a Brief Introduction. 2nd ed. New York: McGraw-Hill Companies, 1997.

MLA (8e ed.) Bronvermelding

Schaefer, Richard T., en Robert P. Lamm. Sociology--a Brief Introduction. 2nd ed. McGraw-Hill Companies, 1997.