1. Child Abuse and Neglect: The Problem and Its Management, Vol. 1, An Overview of the Problem, DHEW Pub #(OHD) 74 30073, p. 34. Government Printing Office, Washington, D.C.
2. Michigan Statute,1975
3. Child Abuse and Neglect: The Problem and Its Management, Vol. 1, p. 38–39.
4. Child Abuse and Neglect: The Problem and Its Management, Vol. 1, p. 3.