Cita APA

Samuelson, P. A. 1. (1961). Economics: An introductory analysis McGraw-Hill.

Citación estilo Chicago

Samuelson, Paul A. 1915-2009. Economics: An Introductory Analysis. 5a. ed. New York: McGraw-Hill, 1961.

Cita MLA

Samuelson, Paul A. 1915-2009. Economics: An Introductory Analysis. 5a. ed. New York: McGraw-Hill, 1961.