Freiberg, K. L. (2014). Human development, 13/14 (Forty-second edition.). McGraw-Hill.
Chicago Style aipamenaFreiberg, Karen L. Human Development, 13/14. Forty-second edition. New York, NY: McGraw-Hill, 2014.
MLA aipamenaFreiberg, Karen L. Human Development, 13/14. Forty-second edition. McGraw-Hill, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.