Dyfyniad APA

Chrzanowski, I., & Wiater, S. J. (1985). An introduction to shipping economics. Fairplay.

Dyfyniad Arddull Chicago

Chrzanowski, Ignacy, and S. J. Wiater. An Introduction to Shipping Economics. Londres: Fairplay, 1985.

Dyfyniad MLA

Chrzanowski, Ignacy, and S. J. Wiater. An Introduction to Shipping Economics. Fairplay, 1985.

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