Collins, R. (1988). Theoretical sociology. Harcourt Brace Jovanovich.
Lua i Stíl Chicago (17ú heag.)Collins, Randall. Theoretical Sociology. San Diego: Harcourt Brace Jovanovich, 1988.
Lua MLA (8ú heag.)Collins, Randall. Theoretical Sociology. Harcourt Brace Jovanovich, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.