Pugel, T. A. (2009). International economics. New York: McGraw-Hill/Irwin.
Trích dẫn kiểu ChicagoPugel, Thomas A. International Economics. New York: McGraw-Hill/Irwin, 2009.
MLA citiranjePugel, Thomas A. International Economics. New York: McGraw-Hill/Irwin, 2009.
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