Melvin, M., & Boyes, W. (2011). Principles of Macroeconomics (8th ed.). South-Western Cengage Learning.
芝加哥风格引文Melvin, Michael, 与 William Boyes. Principles of Macroeconomics. 8th ed. Australia: South-Western Cengage Learning, 2011.
MLA引文Melvin, Michael, 与 William Boyes. Principles of Macroeconomics. 8th ed. South-Western Cengage Learning, 2011.
警告：这些引文格式不一定是100％准确.