APA引文
Samuelson, P. A., & William D. Nordhaus. (2007). Economics (18 th ed.). Tata McGraw-Hill.
Chicago Style (17th ed.) Citation
Samuelson, Paul A., and William D. Nordhaus. Economics. 18 th ed. New Delhi: Tata McGraw-Hill, 2007.
MLA引文
Samuelson, Paul A., and William D. Nordhaus. Economics. 18 th ed. Tata McGraw-Hill, 2007.
警告：這些引文格式不一定是100％准確.