Charon, J. M., & Vigilant, L. G. (2009). Social problems: Readings with four questions (3rd ed.). Belmont, CA: Wadsworth/Cengage Learning.
Trích dẫn kiểu ChicagoCharon, Joel M., và Lee Garth Vigilant. Social Problems: Readings With Four Questions. 3rd ed. Belmont, CA: Wadsworth/Cengage Learning, 2009.
MLA CitationCharon, Joel M., và Lee Garth Vigilant. Social Problems: Readings With Four Questions. 3rd ed. Belmont, CA: Wadsworth/Cengage Learning, 2009.
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