APA (7th ed.) Zitazioa

Gray, J. W. (1986). Financial risk management in the shipping industry. Fairplay.

Chicago Style (17th ed.) Zitazioa

Gray, James W. Financial Risk Management in the Shipping Industry. Londres: Fairplay, 1986.

MLA (9th ed.) Zitazioa

Gray, James W. Financial Risk Management in the Shipping Industry. Fairplay, 1986.