Ritzer, G., & Goodman, D. J. (2004). Sociological theory (sixth edition.). McGraw-Hill.
Chicago Style aipamenaRitzer, George, and Douglas J. Goodman. Sociological Theory. sixth edition. Boston: McGraw-Hill, 2004.
MLA aipamenaRitzer, George, and Douglas J. Goodman. Sociological Theory. sixth edition. McGraw-Hill, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.