Dyfyniad APA

(1978). The language of international trade in English. New York: Prentical Hall.

Dyfyniad Arddull Chicago

The Language of International Trade in English. New York: Prentical Hall, 1978.

Dyfyniad MLA

The Language of International Trade in English. New York: Prentical Hall, 1978.

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