Dyfyniad APA
Vander Zanden, J. W. (1990). Sociology: The core (2nd.ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Vander Zanden, James W. Sociology: The Core. 2nd.ed. New York: McGraw-Hill, 1990.
Dyfyniad MLA
Vander Zanden, James W. Sociology: The Core. 2nd.ed. McGraw-Hill, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.