Dyfyniad APA

Harrod, R. (1964). International trade theory in a developing world. Macmillan & Co.

Dyfyniad Arddull Chicago

Harrod, Roy. International Trade Theory in a Developing World. London: Macmillan & Co, 1964.

Dyfyniad MLA

Harrod, Roy. International Trade Theory in a Developing World. Macmillan & Co, 1964.

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