Heller, H. (1977). International trade theory and empirical evidence/2nd ed. Prentice hall.
Chicago Edition CitationHeller, H.Robert. International Trade Theory and Empirical Evidence/2nd Ed. New Delhi: Prentice hall, 1977.
Cita MLAHeller, H.Robert. International Trade Theory and Empirical Evidence/2nd Ed. Prentice hall, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.