Dyfyniad APA

Cook, J. C. (1973). International air cargo strategy. Air Cargo Research Institute; distributed by Arco Pub. Co., New York.

Dyfyniad Arddull Chicago

Cook, John C. International Air Cargo Strategy. Philadelphia: Air Cargo Research Institute; distributed by Arco Pub. Co., New York, 1973.

Dyfyniad MLA

Cook, John C. International Air Cargo Strategy. Air Cargo Research Institute; distributed by Arco Pub. Co., New York, 1973.

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