Não informado. (1947). International child welfare review. International Union for Child Welfare.
Chicagoスタイル(17版)引用形式Não informado. International Child Welfare Review. Geneva, Suíça: International Union for Child Welfare, 1947.
MLA(8版)引用形式Não informado. International Child Welfare Review. International Union for Child Welfare, 1947.
警告: この引用は必ずしも正確ではありません.