Gwartney, J. D. (2009). Economics: Private and public choice (12th ed., macro-first version.). South-Western Cengage Learning.
芝加哥风格引文Gwartney, James D. Economics: Private and Public Choice. 12th ed., macro-first version. Mason, OH: South-Western Cengage Learning, 2009.
MLA引文Gwartney, James D. Economics: Private and Public Choice. 12th ed., macro-first version. South-Western Cengage Learning, 2009.
警告：这些引文格式不一定是100％准确.