Dyfyniad APA

Pugel, T. A. (2007). International Economics (13th.). McGraw Hill Education (India) Private Limited.

Dyfyniad Arddull Chicago

Pugel, Thomas A. International Economics. 13th. New Delhi: McGraw Hill Education (India) Private Limited, 2007.

Dyfyniad MLA

Pugel, Thomas A. International Economics. 13th. McGraw Hill Education (India) Private Limited, 2007.

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