Samuelson, P. A., & Samuelson, W. (2001). Economics (17th ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationSamuelson, Paul A., and William Samuelson. Economics. 17th ed. New York: McGraw-Hill, 2001.
MLA引文Samuelson, Paul A., and William Samuelson. Economics. 17th ed. McGraw-Hill, 2001.
警告:這些引文格式不一定是100%准確.