Quintyn, M., & Gollwitzer, S. (2012). Institutional Transformations, Polity and Economic Outcomes: Testing the North-Wallis-Weingast Doorsteps Framework. International Monetary Fund.
Lua i Stíl Chicago (17ú heag.)Quintyn, Marc, agus Sophia Gollwitzer. Institutional Transformations, Polity and Economic Outcomes: Testing the North-Wallis-Weingast Doorsteps Framework. Washington, D.C.: International Monetary Fund, 2012.
Lua MLA (8ú heag.)Quintyn, Marc, agus Sophia Gollwitzer. Institutional Transformations, Polity and Economic Outcomes: Testing the North-Wallis-Weingast Doorsteps Framework. International Monetary Fund, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.