United Nations Environment Programme. (2002). South Asia, state of the environment, 2002: The youth version. United Nations Environment Programme : Distributed by United Nations Environment Programme, Regional Resource Centre for Asia and the Pacific.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations Environment Programme. South Asia, State of the Environment, 2002: The Youth Version. Pathumthani, Thailand: United Nations Environment Programme : Distributed by United Nations Environment Programme, Regional Resource Centre for Asia and the Pacific, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)United Nations Environment Programme. South Asia, State of the Environment, 2002: The Youth Version. United Nations Environment Programme : Distributed by United Nations Environment Programme, Regional Resource Centre for Asia and the Pacific, 2002.