League of Nations. Committee of Statistical Experts. (1949). Indices of industrial production. [s.n.].
Chicagoスタイル(17版)引用形式League of Nations. Committee of Statistical Experts. Indices of Industrial Production. Geneva: [s.n.], 1949.
MLA(9版)引用形式League of Nations. Committee of Statistical Experts. Indices of Industrial Production. [s.n.], 1949.
警告: この引用は必ずしも正確ではありません.