Cita APA

Samuelson, P. A. (1967). Economics: An introductory nalysis/7e (7th ed.). Mc Graw Hill Book company.

Citación estilo Chicago

Samuelson, Paul A. Economics: An Introductory Nalysis/7e. 7th ed. London: Mc Graw Hill Book company, 1967.

Cita MLA

Samuelson, Paul A. Economics: An Introductory Nalysis/7e. 7th ed. Mc Graw Hill Book company, 1967.