Dyfyniad APA
Myers, D. G. (1993). Social psychology (4th ed.). McGraw Hill Publishers.
Dyfyniad Arddull Chicago
Myers, David G. Social Psychology. 4th ed. New York: McGraw Hill Publishers, 1993.
Dyfyniad MLA
Myers, David G. Social Psychology. 4th ed. McGraw Hill Publishers, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.