Brady, D. W., & Spence, M. (2010). Leadership and growth. World Bank.
Lua i Stíl Chicago (17ú heag.)Brady, David W., agus Michael Spence. Leadership and Growth. Washington, DC: World Bank, 2010.
Lua MLA (8ú heag.)Brady, David W., agus Michael Spence. Leadership and Growth. World Bank, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.