Dyfyniad APA

Calhoun, C., & Light, D. (1994). Sociology (6th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Calhoun, Craig, and Donald Light. Sociology. 6th ed. New York: McGraw-Hill, 1994.

Dyfyniad MLA

Calhoun, Craig, and Donald Light. Sociology. 6th ed. McGraw-Hill, 1994.

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