Pugel, T. A. (2007). International economics (13th ed.). McGraw-Hill Irwin.
Chicagoスタイル(17版)引用形式Pugel, Thomas A. International Economics. 13th ed. Boston: McGraw-Hill Irwin, 2007.
MLA(8版)引用形式Pugel, Thomas A. International Economics. 13th ed. McGraw-Hill Irwin, 2007.
警告: この引用は必ずしも正確ではありません.