Berger, J., Anderson, B., & Zelditch, M. (1989). Sociological theories in progress. Sage.
Lua i Stíl Chicago (17ú heag.)Berger, Joseph, B. Anderson, agus Morris Zelditch. Sociological Theories in Progress. Newbury Park, Calif: Sage, 1989.
Lua MLA (9ú heag.)Berger, Joseph, et al. Sociological Theories in Progress. Sage, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.