Smith, D. (2003). Free liunch: Easily digestable economics, served on plate.
芝加哥风格引文Smith, David. Free Liunch: Easily Digestable Economics, Served on Plate. London, 2003.
MLA引文Smith, David. Free Liunch: Easily Digestable Economics, Served on Plate. 2003.
警告：这些引文格式不一定是100％准确.