Dyfyniad APA

(1974). Capital investments of the world petroleum industry. New York: Chase Manhattan Bank.

Dyfyniad Arddull Chicago

Capital Investments of the World Petroleum Industry. New York: Chase Manhattan Bank, 1974.

Dyfyniad MLA

Capital Investments of the World Petroleum Industry. New York: Chase Manhattan Bank, 1974.

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