Schaefer Richard T. (2021). Sociology A Brief Introduction (13th.). Mc Graw Hill Education(India)Private Limited.
Lua i Stíl Chicago (17ú heag.)Schaefer Richard T. Sociology A Brief Introduction. 13th. Chennai: Mc Graw Hill Education(India)Private Limited, 2021.
Lua MLA (9ú heag.)Schaefer Richard T. Sociology A Brief Introduction. 13th. Mc Graw Hill Education(India)Private Limited, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.