Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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