APA引文
Clayton, G. E. (2001). Economics: Principles and Practices. mcGraw-Hill.
Chicago Style (17th ed.) Citation
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:這些引文格式不一定是100%准確.