APA (7e ed.) Bronvermelding

United Nations Environment Programme. (2003). Tunza: Acting for a better world. United Nations Environment Programme.

Chicago (17e ed.) Bronvermelding

United Nations Environment Programme. Tunza: Acting for a Better World. [Nairobi, Kenya]: United Nations Environment Programme, 2003.

MLA (9e ed.) Bronvermelding

United Nations Environment Programme. Tunza: Acting for a Better World. United Nations Environment Programme, 2003.

Let op: Deze citaties zijn niet altijd 100% accuraat.