Citação norma APA

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

Citação norma Chicago

United Nations Environment Programme and South Asia Co-operative Environment Programme. Vietnam: 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.

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.