APA (7th ed.) Zitazioa

Samuelson, P. A. (1992). Economics (14th ed.). McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Samuelson, Paul Anthony. Economics. 14th ed. New York: McGraw-Hill, 1992.

MLA (9th ed.) Zitazioa

Samuelson, Paul Anthony. Economics. 14th ed. McGraw-Hill, 1992.