Dyfyniad APA

Gerber, J. (2005). International Economics. New York: Pearson Education, Inc.

Dyfyniad Arddull Chicago

Gerber, James. International Economics. New York: Pearson Education, Inc, 2005.

Dyfyniad MLA

Gerber, James. International Economics. New York: Pearson Education, Inc, 2005.

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