Frank, R. (2007). Principles of economics-3rd ed (3rd.). Tata McGraw Hill.
芝加哥风格引文Frank, Robert. Principles of Economics-3rd Ed. 3rd. New Delhi: Tata McGraw Hill, 2007.
MLA引文Frank, Robert. Principles of Economics-3rd Ed. 3rd. Tata McGraw Hill, 2007.
警告：这些引文格式不一定是100％准确.