Kail, R. V., & Cavanaugh, J. C. (1996). Human development. Brooks/Cole Pub.
Chicago Style aipamenaKail, Robert V., and John C. Cavanaugh. Human Development. Pacific Grove, CA: Brooks/Cole Pub, 1996.
MLA aipamenaKail, Robert V., and John C. Cavanaugh. Human Development. Brooks/Cole Pub, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.