United Nations Development Programme. (1982). Ground-water survey: The hydrogeologic conditions of Bangladesh. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations Development Programme. Ground-water Survey: The Hydrogeologic Conditions of Bangladesh. New York: United Nations, 1982.
Citatione MLA (9a ed.)United Nations Development Programme. Ground-water Survey: The Hydrogeologic Conditions of Bangladesh. United Nations, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.