Pugel, T. (2009). International economics (14th ed.). McGraw-Hill.
Chicagoスタイル(17版)引用形式Pugel, Thomas. International Economics. 14th ed. Boston: McGraw-Hill, 2009.
MLA(9版)引用形式Pugel, Thomas. International Economics. 14th ed. McGraw-Hill, 2009.
警告: この引用は必ずしも正確ではありません.