Boyes,William, & Melvin,Michael. (2003). Principles of Economics. Cengage Learning.
シカゴスタイル引用形Boyes,William, , Melvin,Michael. Principles of Economics. Australia: Cengage Learning, 2003.
MLA引用形式Boyes,William, , Melvin,Michael. Principles of Economics. Cengage Learning, 2003.
警告: この引用は必ずしも正確ではありません.