Dyfyniad APA

United Nations Environment Programme. (2001). Bangladesh: State of the environment 2001. United Nations Environment Programme.

Dyfyniad Arddull Chicago

United Nations Environment Programme. Bangladesh: State of the Environment 2001. Pathumthani, Thailand: United Nations Environment Programme, 2001.

Dyfyniad MLA

United Nations Environment Programme. Bangladesh: State of the Environment 2001. United Nations Environment Programme, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.