Economic and social commission for western Asia. (2004). Water services for the urban poor: A guide to the planning and provision of water and sanitation services to the urban poor. UN.
Чикаго маягийн жагсаалтEconomic and social commission for western Asia. Water Services for the Urban Poor: A Guide to the Planning and Provision of Water and Sanitation Services to the Urban Poor. New York: UN, 2004.
MLA ишлэлEconomic and social commission for western Asia. Water Services for the Urban Poor: A Guide to the Planning and Provision of Water and Sanitation Services to the Urban Poor. UN, 2004.
Warning: These citations may not always be 100% accurate.