Cita APA (7a ed.)

World Bank & World Bank. (2005). A guide to competitive vouchers in health. World Bank.

Cita Chicago Style (17a ed.)

World Bank y World Bank. A Guide to Competitive Vouchers in Health. Washington, DC: World Bank, 2005.

Cita MLA (9a ed.)

World Bank y World Bank. A Guide to Competitive Vouchers in Health. World Bank, 2005.