APA aipamena

Feldman, R. S. (1999). Understanding psychology. McGraw-Hill.

Chicago Style aipamena

Feldman, Robert S. Understanding Psychology. McGraw-Hill, 1999.

MLA aipamena

Feldman, Robert S. Understanding Psychology. McGraw-Hill, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.