Schaefer, R. T. (2019). Sociology: A brief introduction (Thirteenth edition.). McGraw-Hill Education.
Cita Chicago (17th ed.)Schaefer, Richard T. Sociology: A Brief Introduction. Thirteenth edition. New York, NY: McGraw-Hill Education, 2019.
Cita MLA (8th ed.)Schaefer, Richard T. Sociology: A Brief Introduction. Thirteenth edition. McGraw-Hill Education, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.