The World Bank. (2003). Viet Nam three cities sanitation project, Da Nang sub-project: Additional works project. Washington DC: The World Bank.
Chicago-tyylinen lähdeviittausThe World Bank. Viet Nam Three Cities Sanitation Project, Da Nang Sub-project: Additional Works Project. Washington DC: The World Bank, 2003.
MLA-viiteThe World Bank. Viet Nam Three Cities Sanitation Project, Da Nang Sub-project: Additional Works Project. Washington DC: The World Bank, 2003.
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