Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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