United Nations Development Programme. (1982). Ground-water survey: The hydrogeologic conditions of Bangladesh. United Nations.
Chicago (17e ed.) BronvermeldingUnited Nations Development Programme. Ground-water Survey: The Hydrogeologic Conditions of Bangladesh. New York: United Nations, 1982.
MLA (9e ed.) BronvermeldingUnited Nations Development Programme. Ground-water Survey: The Hydrogeologic Conditions of Bangladesh. United Nations, 1982.
Let op: Deze citaties zijn niet altijd 100% accuraat.