Schaefer, R. T. (2005). Sociology (9th ed.). Boston: McGraw-Hill.
Chicago Style CitationSchaefer, Richard T. Sociology. 9th ed. Boston: McGraw-Hill, 2005.
Cita MLASchaefer, Richard T. Sociology. 9th ed. Boston: McGraw-Hill, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.