APA-referens

Heller, R. H. (1977). International trade: Theory and empirical evidence. Prentice Hall of India.

Chicago-stil citat

Heller, Robert H. International Trade: Theory and Empirical Evidence. New Delhi: Prentice Hall of India, 1977.

MLA-referens

Heller, Robert H. International Trade: Theory and Empirical Evidence. Prentice Hall of India, 1977.

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