Dyfyniad APA

Feldman, R. S. (2002). Understanding psychology (six edititon.). Tata McGraw-Hill Company.

Dyfyniad Arddull Chicago

Feldman, Robert S. Understanding Psychology. six edititon. Boston ; New Delhi: Tata McGraw-Hill Company, 2002.

Dyfyniad MLA

Feldman, Robert S. Understanding Psychology. six edititon. Tata McGraw-Hill Company, 2002.

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