Heller, R. H. (1977). International trade: Theory and empirical evidence. Prentice Hall of India.
シカゴスタイル引用形Heller, Robert H. International Trade: Theory and Empirical Evidence. New Delhi: Prentice Hall of India, 1977.
MLA引用形式Heller, Robert H. International Trade: Theory and Empirical Evidence. Prentice Hall of India, 1977.
警告: この引用は必ずしも正確ではありません.