Schaefer, R. T. (2013). Sociology: A brief introduction (10th ed.). Dubuque, Iowa: McGraw-Hill.
Trích dẫn kiểu ChicagoSchaefer, Richard T. Sociology: A Brief Introduction. 10th ed. Dubuque, Iowa: McGraw-Hill, 2013.
Deismireacht MLASchaefer, Richard T. Sociology: A Brief Introduction. 10th ed. Dubuque, Iowa: McGraw-Hill, 2013.
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