APA (7e ed.) Bronvermelding

Não informado. (1988). World development. United Nations Development Programme, Division of Information.

Chicago (17e ed.) Bronvermelding

Não informado. World Development. New York: United Nations Development Programme, Division of Information, 1988.

MLA (8e ed.) Bronvermelding

Não informado. World Development. United Nations Development Programme, Division of Information, 1988.

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