Dyfyniad APA
Robertson, I. (1981). Sociology (2nd ed.). Worth Publishers.
Dyfyniad Arddull Chicago
Robertson, Ian. Sociology. 2nd ed. New York: Worth Publishers, 1981.
Dyfyniad MLA
Robertson, Ian. Sociology. 2nd ed. Worth Publishers, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.