APA (7th ed.) Zitazioa
Hoffmann, L. (1988). Developmental psychology today (5th. ed.). Random House.
Chicago Style (17th ed.) Zitazioa
Hoffmann, Lois. Developmental Psychology Today. 5th. ed. San Diego: Random House, 1988.
MLA (9th ed.) Zitazioa
Hoffmann, Lois. Developmental Psychology Today. 5th. ed. Random House, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.