APA引用形式

Krugman, P. R., & Obstfeld, M. (1996). International economics: Theory and policy (4th ed.). Addison Wesley.

シカゴスタイル引用形

Krugman, Paul R., , Maurice Obstfeld. International Economics: Theory and Policy. 4th ed. Massachusetts: Addison Wesley, 1996.

MLA引用形式

Krugman, Paul R., , Maurice Obstfeld. International Economics: Theory and Policy. 4th ed. Addison Wesley, 1996.

警告: この引用は必ずしも正確ではありません.