APA استشهاد

Richard T Schaefer. (2011). Sociology: Brief introduction (9.). Tata McGraw-Hill.

استشهاد بنمط شيكاغو

Richard T Schaefer. Sociology: Brief Introduction. 9. New Delhi: Tata McGraw-Hill, 2011.

MLA استشهاد

Richard T Schaefer. Sociology: Brief Introduction. 9. Tata McGraw-Hill, 2011.