The World Bank. (2003). Viet Nam three cities sanitation project, Da Nang sub-projecAdditional works project. Washington DC: The World Bank.
Dyfyniad Arddull ChicagoThe World Bank. Viet Nam Three Cities Sanitation Project, Da Nang Sub-projecAdditional Works Project. Washington DC: The World Bank, 2003.
Dyfyniad MLAThe World Bank. Viet Nam Three Cities Sanitation Project, Da Nang Sub-projecAdditional Works Project. Washington DC: The World Bank, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.