Dyfyniad APA

Frankfort-Nachmias, C., & Nachmias, D. (1996). Research methods in the social sciences.

Dyfyniad Arddull Chicago

Frankfort-Nachmias, Chava, and David Nachmias. Research Methods in the Social Sciences. London, Arnold, 1996.

Dyfyniad MLA

Frankfort-Nachmias, Chava, and David Nachmias. Research Methods in the Social Sciences. 1996.

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