Tepperman, L., & Richardson, R. J. (1991). The social world: An introduction to sociology (2nd ed.). McGraw-Hill Ryerson Ltd.
Lua i Stíl Chicago (17ú heag.)Tepperman, Lorne, agus R Jack Richardson. The Social World: An Introduction to Sociology. 2nd ed. Toronto: McGraw-Hill Ryerson Ltd, 1991.
Lua MLA (9ú heag.)Tepperman, Lorne, agus R Jack Richardson. The Social World: An Introduction to Sociology. 2nd ed. McGraw-Hill Ryerson Ltd, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.