International Labor Office. (1952). Social security: Achievements and future policy.
Chicagoスタイル(17版)引用形式International Labor Office. Social Security: Achievements and Future Policy. Geneva, 1952.
MLA(9版)引用形式International Labor Office. Social Security: Achievements and Future Policy. 1952.
警告: この引用は必ずしも正確ではありません.