APA(7版)引用形式
Krugman, P. R., & Obstfeld, M. (2009). International economics: Theory and policy (8th ed.). Pearson Addison-Wesley.
Chicagoスタイル(17版)引用形式
Krugman, Paul R., , Maurice Obstfeld. International Economics: Theory and Policy. 8th ed. Boston: Pearson Addison-Wesley, 2009.
MLA(9版)引用形式
Krugman, Paul R., , Maurice Obstfeld. International Economics: Theory and Policy. 8th ed. Pearson Addison-Wesley, 2009.
警告: この引用は必ずしも正確ではありません.