Dyfyniad APA

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

Dyfyniad Arddull Chicago

Ritzer, George. Sociological Theory. 4th.ed. New york: McGraw-Hil, 1996.

Dyfyniad MLA

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

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