Cita APA

United Nations Environment Programme. (2001). South Asia: State of the environment, 2001. United Nations Environment Programme : Distributed by United Nations Environment Programme, Regional Resource Centre for Asia and the Pacific.

Citación estilo Chicago

United Nations Environment Programme. South Asia: State of the Environment, 2001. Pathumthani, Thailand: United Nations Environment Programme : Distributed by United Nations Environment Programme, Regional Resource Centre for Asia and the Pacific, 2001.

Cita MLA

United Nations Environment Programme. South Asia: State of the Environment, 2001. United Nations Environment Programme : Distributed by United Nations Environment Programme, Regional Resource Centre for Asia and the Pacific, 2001.