Samuelson, P. A., & Nordhaus, W. D. (1989). Economics (13th ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationSamuelson, Paul A., and William D. Nordhaus. Economics. 13th ed. New York ; Singapore: McGraw-Hill, 1989.
MLA citiranjeSamuelson, Paul A., and William D. Nordhaus. Economics. 13th ed. McGraw-Hill, 1989.
Opozorilo: Ti citati niso vedno 100% točni.