Dyfyniad APA

Feldman, R. S. (1997). Essentials of understanding psychology (3rd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Feldman, Robert S. Essentials of Understanding Psychology. 3rd ed. New York: McGraw-Hill, 1997.

Dyfyniad MLA

Feldman, Robert S. Essentials of Understanding Psychology. 3rd ed. McGraw-Hill, 1997.

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