APA aipamena

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

Chicago Style aipamena

Feldman, Robert S. Understanding Psychology. Fifth edition. Boston: McGraw-Hill College, 1999.

MLA aipamena

Feldman, Robert S. Understanding Psychology. Fifth edition. McGraw-Hill College, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.