APA (7e ed.) Bronvermelding

Hill, P., & Vielvoye, R. (1974). Energy in Crisis ; a Guide to World Oil Supply and Demand and Alternative Resources. Yeatman.

Chicago (17e ed.) Bronvermelding

Hill, Peter, en Roger Vielvoye. Energy in Crisis ; a Guide to World Oil Supply and Demand and Alternative Resources. London: Yeatman, 1974.

MLA (8e ed.) Bronvermelding

Hill, Peter, en Roger Vielvoye. Energy in Crisis ; a Guide to World Oil Supply and Demand and Alternative Resources. Yeatman, 1974.