APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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