World Bank, ebrary, Inc, & Gertler, P. (2011). Impact evaluation in practice. World Bank.
Cita Chicago Style (17a ed.)World Bank, Inc ebrary, y Paul Gertler. Impact Evaluation in Practice. Washington, D.C.: World Bank, 2011.
Cita MLA (9a ed.)World Bank, et al. Impact Evaluation in Practice. World Bank, 2011.
Precaución: Estas citas no son 100% exactas.