Gregory, P. R. (2005). Essentials of economics. Boston, MA: Pearson Education.
シカゴスタイル引用形Gregory, Paul R. Essentials of Economics. Boston, MA: Pearson Education, 2005.
MLA引用形式Gregory, Paul R. Essentials of Economics. Boston, MA: Pearson Education, 2005.
警告: この引用は必ずしも正確ではありません.