Boyes, W., & Melvin, M. (2003). Principles of economics. Cengage Learning.
Chicagoスタイル(17版)引用形式Boyes, W., , M. Melvin. Principles of Economics. Australia: Cengage Learning, 2003.
MLA(9版)引用形式Boyes, W., , M. Melvin. 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.