Παραπομπή APA

Valois, P. (1997). Tankers: An introduction to the transport of oil by sea. London: Witherby and Co. Ltd.

Παραπομπή Chicago Style

Valois, Philippe. Tankers: An Introduction to the Transport of Oil By Sea. London: Witherby and Co. Ltd, 1997.

Παραπομπή MLA

Valois, Philippe. Tankers: An Introduction to the Transport of Oil By Sea. London: Witherby and Co. Ltd, 1997.

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