APA (7th ed.) Zitazioa

Evans,Douglas. (1974). The Politics of trade: The evolution of the superbles. Halstead.

Chicago Style (17th ed.) Zitazioa

Evans,Douglas. The Politics of Trade: The Evolution of the Superbles. NewYork: Halstead, 1974.

MLA (9th ed.) Zitazioa

Evans,Douglas. The Politics of Trade: The Evolution of the Superbles. Halstead, 1974.

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