Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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