Dyfyniad APA

Bell,John Fred. (1987). History of economic thought (2.). Ronald.

Dyfyniad Arddull Chicago

Bell,John Fred. History of Economic Thought. 2. New York: Ronald, 1987.

Dyfyniad MLA

Bell,John Fred. History of Economic Thought. 2. Ronald, 1987.

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