Cita APA (7th ed.)

Poulos, C., Pattanayak, S. K., & Jones, K. (2006). A guide to water and sanitation sector impact evaluation. World Bank, Poverty Reduction and Economic Management, Thematic Group on Poverty Analysis, Monitoring and Impact Evaluation.

Cita Chicago (17th ed.)

Poulos, Christine, Subhrendu K. Pattanayak, i Kelly Jones. A Guide to Water and Sanitation Sector Impact Evaluation. Washington, D.C: World Bank, Poverty Reduction and Economic Management, Thematic Group on Poverty Analysis, Monitoring and Impact Evaluation, 2006.

Cita MLA (9th ed.)

Poulos, Christine, et al. A Guide to Water and Sanitation Sector Impact Evaluation. World Bank, Poverty Reduction and Economic Management, Thematic Group on Poverty Analysis, Monitoring and Impact Evaluation, 2006.