APA (7th ed.) Zitazioa
Greeno, J. G. (1968). Elementary theoretical psichology. Addison-Wesley.
Chicago Style (17th ed.) Zitazioa
Greeno, James G. Elementary Theoretical Psichology. Reading, EUA: Addison-Wesley, 1968.
MLA (9th ed.) Zitazioa
Greeno, James G. Elementary Theoretical Psichology. Addison-Wesley, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.