Cita APA (7a ed.)

Appleyard, D. R., Field, A. J., & Cobb, S. L. (2010). International economics (7th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Appleyard, Dennis R., Alfred J. Field, y Steven L. Cobb. International Economics. 7th ed. New York: McGraw-Hill, 2010.

Cita MLA (9a ed.)

Appleyard, Dennis R., et al. International Economics. 7th ed. McGraw-Hill, 2010.