Dyfyniad APA

Feldman, R. S. (2005). Understanding psychology (7th ed.). McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Feldman, Robert S. Understanding Psychology. 7th ed. Boston: McGraw-Hill Higher Education, 2005.

Dyfyniad MLA

Feldman, Robert S. Understanding Psychology. 7th ed. McGraw-Hill Higher Education, 2005.

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