Samuelson, P. A., & Nordhaus, W. D. (2005). Economics (18th ed.). McGraw-Hill/Irwin.
Chicago Style (17th ed.) CitationSamuelson, Paul Anthony, and William D. Nordhaus. Economics. 18th ed. Boston: McGraw-Hill/Irwin, 2005.
MLA引文Samuelson, Paul Anthony, and William D. Nordhaus. Economics. 18th ed. McGraw-Hill/Irwin, 2005.
警告:這些引文格式不一定是100%准確.