Feldman, R. S. (2002). Understanding psychology (six edititon.). Tata McGraw-Hill Company.
Cita Chicago (17th ed.)Feldman, Robert S. Understanding Psychology. six edititon. Boston ; New Delhi: Tata McGraw-Hill Company, 2002.
Cita MLA (8th ed.)Feldman, Robert S. Understanding Psychology. six edititon. Tata McGraw-Hill Company, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.