United Nations Development Programme. (1982). Ground-water survey: The hydrogeologic conditions of Bangladesh. United Nations.
Chicagoスタイル(17版)引用形式United Nations Development Programme. Ground-water Survey: The Hydrogeologic Conditions of Bangladesh. New York: United Nations, 1982.
MLA(9版)引用形式United Nations Development Programme. Ground-water Survey: The Hydrogeologic Conditions of Bangladesh. United Nations, 1982.
警告: この引用は必ずしも正確ではありません.