World Bank & World Bank. (2005). A guide to competitive vouchers in health. World Bank.
Lua i Stíl Chicago (17ú heag.)World Bank agus World Bank. A Guide to Competitive Vouchers in Health. Washington, DC: World Bank, 2005.
Lua MLA (9ú heag.)World Bank agus World Bank. A Guide to Competitive Vouchers in Health. World Bank, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.