Cita APA (7th ed.)

Bulmer, M. (1986). Sociological research methods (2nd edition.). Macmillan.

Cita Chicago (17th ed.)

Bulmer, Morten. Sociological Research Methods. 2nd edition. New York: Macmillan, 1986.

Cita MLA (9th ed.)

Bulmer, Morten. Sociological Research Methods. 2nd edition. Macmillan, 1986.