APA aipamena

Samuelson, P. A. (1964). Economics: An introductory analysis. New York: McGraw-hill.

Chicago Style aipamena

Samuelson, Paul Anthony. Economics: An Introductory Analysis. New York: McGraw-hill, 1964.

MLA aipamena

Samuelson, Paul Anthony. Economics: An Introductory Analysis. New York: McGraw-hill, 1964.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.