APA aipamena

Feldman, R. S. (2009). Understanding psychology (9th ed.). McGraw-Hill.

Chicago Style aipamena

Feldman, Robert S. Understanding Psychology. 9th ed. New York: McGraw-Hill, 2009.

MLA aipamena

Feldman, Robert S. Understanding Psychology. 9th ed. McGraw-Hill, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.