Ritzer, G., & Stepnisky, J. (2014). Sociological theory (Ninth edition.). McGraw-Hill.
Chicago Style (17th ed.) ZitazioaRitzer, George, eta Jeffrey Stepnisky. Sociological Theory. Ninth edition. New York, NY: McGraw-Hill, 2014.
MLA (9th ed.) ZitazioaRitzer, George, eta Jeffrey Stepnisky. Sociological Theory. Ninth edition. McGraw-Hill, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.