Danilenko, A., vandenBerg, C., Macheve, B., & Moffitt, L. (2015). The IBNET Water Supply and Sanitation Blue Book 2014: The International Benchmarking Network for Water and Sanitation Utilities Databook. World Bank.
Dyfyniad Arddull ChicagoDanilenko, Alexander, Caroline vandenBerg, Berta Macheve, và L.Joe Moffitt. The IBNET Water Supply and Sanitation Blue Book 2014: The International Benchmarking Network for Water and Sanitation Utilities Databook. World Bank, 2015.
Dyfyniad MLADanilenko, Alexander, Caroline vandenBerg, Berta Macheve, và L.Joe Moffitt. The IBNET Water Supply and Sanitation Blue Book 2014: The International Benchmarking Network for Water and Sanitation Utilities Databook. World Bank, 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.