Feenstra, R. C., & Taylor, A. M. (2008). International economics. Worth Publishers.
Cita Chicago (17th ed.)Feenstra, Robert C., i Alan M. Taylor. International Economics. New York: Worth Publishers, 2008.
Cita MLA (9th ed.)Feenstra, Robert C., i Alan M. Taylor. International Economics. Worth Publishers, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.