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.
Cytowanie według stylu Chicago (wyd. 17)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.
Cytowanie według stylu MLA (wyd. 8)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.