Couper, A. D. (1967). The island trade: An analysis of the environment and operation of seaborne trade among three island groups in the Pacific.
Citace podle Chicago (17th ed.)Couper, Alastair Dougal. The Island Trade: An Analysis of the Environment and Operation of Seaborne Trade Among Three Island Groups in the Pacific. 1967.
Citace podle MLA (8th ed.)Couper, Alastair Dougal. The Island Trade: An Analysis of the Environment and Operation of Seaborne Trade Among Three Island Groups in the Pacific. 1967.
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