Dyfyniad APA

Ritzer, G. (1996). Sociological theory (4th ed.). McGraw-Hill Companies.

Dyfyniad Arddull Chicago

Ritzer, George. Sociological Theory. 4th ed. New York: McGraw-Hill Companies, 1996.

Dyfyniad MLA

Ritzer, George. Sociological Theory. 4th ed. McGraw-Hill Companies, 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.