Wagenaar, T. C., & Babbie, E. (1995). Practicing social research: Guided activities to accompany : the practice of social research (Seventh edition.). Wadsworth Publishing Company.
Chicago Style aipamenaWagenaar, Theodore C., and Earl Babbie. Practicing Social Research: Guided Activities to Accompany : The Practice of Social Research. Seventh edition. Belmont: Wadsworth Publishing Company, 1995.
MLA aipamenaWagenaar, Theodore C., and Earl Babbie. Practicing Social Research: Guided Activities to Accompany : The Practice of Social Research. Seventh edition. Wadsworth Publishing Company, 1995.
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