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.