Não informado. (1947). International child welfare review. International Union for Child Welfare.
Chicago-referens (17:e uppl.)Não informado. International Child Welfare Review. Geneva, Suíça: International Union for Child Welfare, 1947.
MLA-referens (8:e uppl.)Não informado. International Child Welfare Review. International Union for Child Welfare, 1947.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.