Samuelson, P. A., Nordhaus, W. D., Chaudhuri, S., & Sen, A. (2017). Economics (19th ed.). McGraw Hill Education (India) Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Samuelson, Paul A., William D. Nordhaus, Sudip Chaudhuri, agus Anindya Sen. Economics. 19th ed. Chennai: McGraw Hill Education (India) Pvt. Ltd, 2017.
Lua MLA (9ú heag.)Samuelson, Paul A., et al. Economics. 19th ed. McGraw Hill Education (India) Pvt. Ltd, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.