APA (7th ed.) Zitazioa

Samuelson, P. A. (2020). Economics. McGrae Hill Education.

Chicago Style (17th ed.) Zitazioa

Samuelson, Paul A. Economics. New York: McGrae Hill Education, 2020.

MLA (9th ed.) Zitazioa

Samuelson, Paul A. Economics. McGrae Hill Education, 2020.