APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.