Dyfyniad APA

Heller, R. (1975). The European revenge: How the American challenge was rebuffed. London: Barrie & Jenkins.

Dyfyniad Arddull Chicago

Heller, Robert. The European Revenge: How the American Challenge Was Rebuffed. London: Barrie & Jenkins, 1975.

Dyfyniad MLA

Heller, Robert. The European Revenge: How the American Challenge Was Rebuffed. London: Barrie & Jenkins, 1975.

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