APA (7e ed.) Bronvermelding

(1971). Unified socio-economic development and planning: Some new horizons. United Nations.

Chicago (17e ed.) Bronvermelding

Unified Socio-economic Development and Planning: Some New Horizons. New York: United Nations, 1971.

MLA (9e ed.) Bronvermelding

Unified Socio-economic Development and Planning: Some New Horizons. United Nations, 1971.

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