Dyfyniad APA

Alan Bryman. (2008). Social research methods (3rd edition.). Oxford University Press.

Dyfyniad Arddull Chicago

Alan Bryman. Social Research Methods. 3rd edition. New York: Oxford University Press, 2008.

Dyfyniad MLA

Alan Bryman. Social Research Methods. 3rd edition. Oxford University Press, 2008.

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