APA aipamena

Duffy, J. C. 1. Child psychiatry and human development. New York: Behavioral Publications.

Chicago Style aipamena

Duffy, John C. 1934-. Child Psychiatry and Human Development. New York: Behavioral Publications.

MLA aipamena

Duffy, John C. 1934-. Child Psychiatry and Human Development. New York: Behavioral Publications.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.