Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.