Helfer, R. E. (1976). Child abuse and neglect: The family and the community. Ballinger.
Cita Chicago Style (17a ed.)Helfer, Ray E. Child Abuse and Neglect: The Family and the Community. Cambridge, Mass: Ballinger, 1976.
Cita MLA (9a ed.)Helfer, Ray E. Child Abuse and Neglect: The Family and the Community. Ballinger, 1976.
Precaución: Estas citas no son 100% exactas.