Παραπομπή APA

Weale, J. (1982). Tramp shipping arithmetic: The application of the programmable calculator to commercial problems. London: Fairplay.

Παραπομπή Chicago Style

Weale, John. Tramp Shipping Arithmetic: The Application of the Programmable Calculator to Commercial Problems. London: Fairplay, 1982.

Παραπομπή MLA

Weale, John. Tramp Shipping Arithmetic: The Application of the Programmable Calculator to Commercial Problems. London: Fairplay, 1982.

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