APA (7th ed.) Zitazioa
(1971). Developmental psychology today. CRM Books.
Chicago Style (17th ed.) Zitazioa
Developmental Psychology Today. New York: CRM Books, 1971.
MLA (9th ed.) Zitazioa
Developmental Psychology Today. CRM Books, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.