Samuelson, P. A., & Nordhaus, W. D. C. (2021). Economics (20th.). McGraw Hill Education.
Čikaški stil citiranja (17. izdanje)Samuelson, Paul A., i William D; Chaudhuri Nordhaus. Economics. 20th. New Delhi: McGraw Hill Education, 2021.
MLA način citiranja (9. izdanje)Samuelson, Paul A., i William D; Chaudhuri Nordhaus. Economics. 20th. McGraw Hill Education, 2021.
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