Ritzer, G. (1980). Sosiology A Multiple Paradigma Science Revised Edition George Ritur. Allyn and Bacon.
Dyfyniad Arddull ChicagoRitzer, George. Sosiology A Multiple Paradigma Science Revised Edition George Ritur. Allyn and Bacon, 1980.
Dyfyniad MLARitzer, George. Sosiology A Multiple Paradigma Science Revised Edition George Ritur. Allyn and Bacon, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.