Ritzer, G. (1996). Sociological theory (4th.ed.). McGraw-Hil.
Lua i Stíl Chicago (17ú heag.)Ritzer, George. Sociological Theory. 4th.ed. New york: McGraw-Hil, 1996.
Lua MLA (9ú heag.)Ritzer, George. Sociological Theory. 4th.ed. McGraw-Hil, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.