United Nations Development Programme. (1982). Ground-water survey: The hydrogeologic conditions of Bangladesh. United Nations.
Chicago-referens (17:e uppl.)United Nations Development Programme. Ground-water Survey: The Hydrogeologic Conditions of Bangladesh. New York: United Nations, 1982.
MLA-referens (9:e uppl.)United Nations Development Programme. Ground-water Survey: The Hydrogeologic Conditions of Bangladesh. United Nations, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.