APA (7e ed.) Bronvermelding

Bulmer, M. (1984). Sociological research methods (2nd ed.). Transaction Books.

Chicago (17e ed.) Bronvermelding

Bulmer, Martin. Sociological Research Methods. 2nd ed. New Brunswick: Transaction Books, 1984.

MLA (9e ed.) Bronvermelding

Bulmer, Martin. Sociological Research Methods. 2nd ed. Transaction Books, 1984.