Dyfyniad APA

Whiting, D. (1978). International trade and payments. Macdonalds & Evans.

Dyfyniad Arddull Chicago

Whiting, D. International Trade and Payments. London: Macdonalds & Evans, 1978.

Dyfyniad MLA

Whiting, D. International Trade and Payments. Macdonalds & Evans, 1978.

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