Krugman, P. R., & Obstfeld, M. (2000). International economics: Theory and policy (International ed.). New York: Addison Wesley.
Trích dẫn kiểu ChicagoKrugman, Paul R., và Maurice Obstfeld. International Economics: Theory and Policy. International ed. New York: Addison Wesley, 2000.
Deismireacht MLAKrugman, Paul R., và Maurice Obstfeld. International Economics: Theory and Policy. International ed. New York: Addison Wesley, 2000.
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