Παραπομπή APA
Corkhill, M. (1978). Product tankers and their market role. London: Fairplay.
Παραπομπή Chicago StyleCorkhill, Michael. Product Tankers and Their Market Role. London: Fairplay, 1978.
Παραπομπή MLACorkhill, Michael. Product Tankers and Their Market Role. London: Fairplay, 1978.
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