APA aipamena

Feldman, R. S. (1997). Essentials of understanding psychology (3rd ed.). McGraw-Hill.

Chicago Style aipamena

Feldman, Robert S. Essentials of Understanding Psychology. 3rd ed. New York: McGraw-Hill, 1997.

MLA aipamena

Feldman, Robert S. Essentials of Understanding Psychology. 3rd ed. McGraw-Hill, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.