Schaefer, R. T. (2011). Sociology: A brief introduction (9th ed.). Tata McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Schaefer, Richard T. Sociology: A Brief Introduction. 9th ed. New York ; New Delhi: Tata McGraw-Hill, 2011.
Lua MLA (8ú heag.)Schaefer, Richard T. Sociology: A Brief Introduction. 9th ed. Tata McGraw-Hill, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.