Kaufmann, D., Kraay, A., & Zoido-Lobaton, P. (1999). Governance matters. World Bank.
Lua i Stíl Chicago (17ú heag.)Kaufmann, Daniel, Aart Kraay, agus Pablo Zoido-Lobaton. Governance Matters. Washington, DC: World Bank, 1999.
Lua MLA (9ú heag.)Kaufmann, Daniel, et al. Governance Matters. World Bank, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.