Heller, H. R. (1973). International trade theory and empirical evidence. Prentice-Hall.
Chicago Style (17th ed.) CitationHeller, H. Robert. International Trade Theory and Empirical Evidence. Prentice-Hall, 1973.
MLA (8th ed.) CitationHeller, H. Robert. International Trade Theory and Empirical Evidence. Prentice-Hall, 1973.
Warning: These citations may not always be 100% accurate.