Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.