GWARTNEY, J. D. (1987). Economics Private And Public Choice James D. Gwartney And Richaard L. Stroup. Harcort Braace Jovanovich.
Lua i Stíl Chicago (17ú heag.)GWARTNEY, James D. Economics Private And Public Choice James D. Gwartney And Richaard L. Stroup. Harcort Braace Jovanovich, 1987.
Lua MLA (8ú heag.)GWARTNEY, James D. Economics Private And Public Choice James D. Gwartney And Richaard L. Stroup. Harcort Braace Jovanovich, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.