Samuelson, P. A., Nordhaus, W. D., Chaudhuri, S., & Sen, A. (2020). Economics (20th ed.). McGraw Hill Education (India) Pvt. Ltd.
Chicago-čujuhus (17. p.)Samuelson, Paul A., William D. Nordhaus, Sudip Chaudhuri, juo Anindya Sen. Economics. 20th ed. New Delhi: McGraw Hill Education (India) Pvt. Ltd, 2020.
MLA-čujuhus (9. p.)Samuelson, Paul A., et al. Economics. 20th ed. McGraw Hill Education (India) Pvt. Ltd, 2020.
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