Citazione Stile APA (7a Edizione)

Samuelson, P. A., & Nordhaus, W. D. (2018). Economics (19th.). McGraw Hill Education India) Private Limited.

Citazione stile Chigago Style (17a edizione)

Samuelson, Paul A., e William D. Nordhaus. Economics. 19th. New Delhi: McGraw Hill Education India) Private Limited, 2018.

Citatione MLA (9a ed.)

Samuelson, Paul A., e William D. Nordhaus. Economics. 19th. McGraw Hill Education India) Private Limited, 2018.