Cita APA

Krugman, P. R., & Obstfeld, M. (2000). International economics: Theory and policy (5th ed.). Addison-Wesley.

Citación estilo Chicago

Krugman, Paul R., and Maurice Obstfeld. International Economics: Theory and Policy. 5th ed. Reading, Mass: Addison-Wesley, 2000.

Cita MLA

Krugman, Paul R., and Maurice Obstfeld. International Economics: Theory and Policy. 5th ed. Addison-Wesley, 2000.