APA (7th ed.) Zitazioa

(1985). Prospects for the world oil Industry. CROOM HELM.

Chicago Style (17th ed.) Zitazioa

Prospects for the World Oil Industry. London: CROOM HELM, 1985.

MLA (9th ed.) Zitazioa

Prospects for the World Oil Industry. CROOM HELM, 1985.