Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.