Robertson, D. (1972). Internationa trade policy (1st.). Sultan Chand & Co.
Chicagoスタイル(17版)引用形式Robertson, David. Internationa Trade Policy. 1st. Delhi: Sultan Chand & Co, 1972.
MLA(9版)引用形式Robertson, David. Internationa Trade Policy. 1st. Sultan Chand & Co, 1972.
警告: この引用は必ずしも正確ではありません.