Cita APA (7th ed.)

Ewart, W. D. (1982). Bunkers: A guide for the ship operator. Fairplay.

Cita Chicago (17th ed.)

Ewart, W. D. Bunkers: A Guide for the Ship Operator. Londres: Fairplay, 1982.

Cita MLA (9th ed.)

Ewart, W. D. Bunkers: A Guide for the Ship Operator. Fairplay, 1982.