APA (7e ed.) Bronvermelding

Não informado. (1976). Important for the Future. United Nations, Institute for Training and Research.

Chicago (17e ed.) Bronvermelding

Não informado. Important for the Future. New York: United Nations, Institute for Training and Research, 1976.

MLA (8e ed.) Bronvermelding

Não informado. Important for the Future. United Nations, Institute for Training and Research, 1976.

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