APA (7th ed.) Zitazioa

Gwartney, J. D. (1979). Economics; private and public choice. Academic Pr..

Chicago Style (17th ed.) Zitazioa

Gwartney, James D. Economics; Private and Public Choice. New York: Academic Pr., 1979.

MLA (9th ed.) Zitazioa

Gwartney, James D. Economics; Private and Public Choice. Academic Pr., 1979.