North, D. C. (1990). Institutions, institutional change, and economic performance. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)North, Douglass C. Institutions, Institutional Change, and Economic Performance. Cambridge ; New York: Cambridge University Press, 1990.
Lua MLA (8ú heag.)North, Douglass C. Institutions, Institutional Change, and Economic Performance. Cambridge University Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.