JE Crowley (2006)۔ "Organization Responses to the Fatherhood Crisis: the Case of Fathers' Rights Group"۔ در L Haas؛ SL Wisensale (مدیران)۔ Families and social policy: national and international perspectives۔ Haworth Press۔ ص 107–8۔ ISBN:978-0-7890-3240-9