Dyfyniad APA

Organisation for Economic Co-operation and Deverlopment. (1973). Oil: The Present Situation and Future Prospects. Paris: Oecd Publications.

Dyfyniad Arddull Chicago

Organisation for Economic Co-operation and Deverlopment. Oil: The Present Situation and Future Prospects. Paris: Oecd Publications, 1973.

Dyfyniad MLA

Organisation for Economic Co-operation and Deverlopment. Oil: The Present Situation and Future Prospects. Paris: Oecd Publications, 1973.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.