Style de citation APA

Preker, A. S., & Langenbrunner, J. (2004). Spending wisely: Buying health services for the poor. World Bank.

Style de citation Chicago

Preker, Alexander S., et Jack Langenbrunner. Spending Wisely: Buying Health Services for the Poor. Washington, DC: World Bank, 2004.

Style de citation MLA

Preker, Alexander S., et Jack Langenbrunner. Spending Wisely: Buying Health Services for the Poor. World Bank, 2004.