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.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)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.