Cita APA (7a ed.)

Pugel, T. A. (2016). International economics (16th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Pugel, Thomas A. International Economics. 16th ed. New York, NY: McGraw-Hill, 2016.

Cita MLA (9a ed.)

Pugel, Thomas A. International Economics. 16th ed. McGraw-Hill, 2016.