United Nations Environment Programme. (2001). Bangladesh: State of the environment 2001. United Nations Environment Programme.
Chicagoスタイル(17版)引用形式United Nations Environment Programme. Bangladesh: State of the Environment 2001. Pathumthani, Thailand: United Nations Environment Programme, 2001.
MLA(8版)引用形式United Nations Environment Programme. Bangladesh: State of the Environment 2001. United Nations Environment Programme, 2001.
警告: この引用は必ずしも正確ではありません.