World Bank Institute, Transparency International, ebrary, Inc, & Asís, M. G. d. (2009). Improving transparency, integrity, and accountability in water supply and sanitation. World Bank.
Dyfyniad Arddull ChicagoWorld Bank Institute, Transparency International, Inc ebrary, and María González de Asís. Improving Transparency, Integrity, and Accountability in Water Supply and Sanitation. Washington, DC: World Bank, 2009.
Dyfyniad MLAWorld Bank Institute, et al. Improving Transparency, Integrity, and Accountability in Water Supply and Sanitation. World Bank, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.