Mooney, L. A., & Knox, D. (2013). Understanding social problems. USA: Wadsworth, Cengage Learning.
Chicago Style aipamenaMooney, Linda A., và David Knox. Understanding Social Problems. USA: Wadsworth, Cengage Learning, 2013.
MLA aipamenaMooney, Linda A., và David Knox. Understanding Social Problems. USA: Wadsworth, Cengage Learning, 2013.
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