Craig, G. J. (1992). Human development (6th ed.). Prentice Hall.
Chicago Style aipamenaCraig, Grace J. Human Development. 6th ed. Englewood Cliffs, N.J: Prentice Hall, 1992.
MLA aipamenaCraig, Grace J. Human Development. 6th ed. Prentice Hall, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.