Samuelson, P. A., & Nordhaus, W. D. (2010). Economics (19th ed., international ed.). McGraw-Hill/Irwin.
Chicago Style (17th ed.) CitationSamuelson, Paul Anthony, and William D. Nordhaus. Economics. 19th ed., international ed. Boston: McGraw-Hill/Irwin, 2010.
ציטוט MLASamuelson, Paul Anthony, and William D. Nordhaus. Economics. 19th ed., international ed. McGraw-Hill/Irwin, 2010.
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