Não informado. Annual report on child and youth welfare. United Nations, Department of Social Affairs.
Chicagoスタイル(17版)引用形式Não informado. Annual Report on Child and Youth Welfare. Geneva, Suíça: United Nations, Department of Social Affairs.
MLA(8版)引用形式Não informado. Annual Report on Child and Youth Welfare. United Nations, Department of Social Affairs.
警告: この引用は必ずしも正確ではありません.