Cita APA (7a ed.)

Samuelson,Paul A, & Nordhaus, W. D. (2020). Economics (20th Edition.). Tata McGraw Hill.

Cita Chicago Style (17a ed.)

Samuelson,Paul A, y William D. Nordhaus. Economics. 20th Edition. Chennai: Tata McGraw Hill, 2020.

Cita MLA (9a ed.)

Samuelson,Paul A, y William D. Nordhaus. Economics. 20th Edition. Tata McGraw Hill, 2020.