Cita APA (7th ed.)

Bulmer, M. . J. A. (1977). Sociological research methods: An introduction. Macmillan.

Cita Chicago (17th ed.)

Bulmer, Martin Joint Author. Sociological Research Methods: An Introduction. London: Macmillan, 1977.

Cita MLA (9th ed.)

Bulmer, Martin Joint Author. Sociological Research Methods: An Introduction. Macmillan, 1977.