APA Citation

Wagenaar, T. C., & Babbie, E. (1998). The practice of social rasearch (Eighth ed.). Belmont: Wadsworth.

Trích dẫn kiểu Chicago

Wagenaar, Theodore C., và Earl Babbie. The Practice of Social Rasearch. Eighth ed. Belmont: Wadsworth, 1998.

MLA Citation

Wagenaar, Theodore C., và Earl Babbie. The Practice of Social Rasearch. Eighth ed. Belmont: Wadsworth, 1998.

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