APA引文
Clayton, G. E. (2001). Economics: Principles and Practices. mcGraw-Hill.
芝加哥风格引文
Clayton, Gray E. Economics: Principles and Practices. New york: mcGraw-Hill, 2001.
MLA引文
Clayton, Gray E. Economics: Principles and Practices. mcGraw-Hill, 2001.
警告：这些引文格式不一定是100％准确.