Citazione Stile APA (7a Edizione)

Pugel, T. A. (2008). International Economics (13th.). McGraw Hill Education.

Citazione stile Chigago Style (17a edizione)

Pugel, Thomas A. International Economics. 13th. New Delhi: McGraw Hill Education, 2008.

Citatione MLA (9a ed.)

Pugel, Thomas A. International Economics. 13th. McGraw Hill Education, 2008.