Dyfyniad APA

Sawyer, C. W., & Sprinkle, R. L. (2009). International economics (ed.3.). PHI learning pvt.Ltd.

Dyfyniad Arddull Chicago

Sawyer, Charles W., and Richard L. Sprinkle. International Economics. ed.3. New Delhi: PHI learning pvt.Ltd, 2009.

Dyfyniad MLA

Sawyer, Charles W., and Richard L. Sprinkle. International Economics. ed.3. PHI learning pvt.Ltd, 2009.

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