Dyfyniad APA

Ritzer, G., & Goodman, D. J. (2004). Sociological theory (sixth edition.). McGraw-Hill.

Dyfyniad Arddull Chicago

Ritzer, George, and Douglas J. Goodman. Sociological Theory. sixth edition. Boston: McGraw-Hill, 2004.

Dyfyniad MLA

Ritzer, George, and Douglas J. Goodman. Sociological Theory. sixth edition. McGraw-Hill, 2004.

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