Tucker, I. B. (2008). Essentials of economics (6th ed.). South-Western Cengage Learning.
芝加哥风格引文Tucker, Irvin B. Essentials of Economics. 6th ed. Mason, OH: South-Western Cengage Learning, 2008.
MLA引文Tucker, Irvin B. Essentials of Economics. 6th ed. South-Western Cengage Learning, 2008.
警告：这些引文格式不一定是100％准确.