Barro, R. J. (1993). Macroeconomics (4th ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)Barro, Robert J. Macroeconomics. 4th ed. New York: Wiley, 1993.
Lua MLA (9ú heag.)Barro, Robert J. Macroeconomics. 4th ed. Wiley, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.