APA (7e ed.) Bronvermelding

(1968). Developing countries of the Vorld. Bational Committee for Geography.

Chicago (17e ed.) Bronvermelding

Developing Countries of the Vorld. Calcutta: Bational Committee for Geography, 1968.

MLA (9e ed.) Bronvermelding

Developing Countries of the Vorld. Bational Committee for Geography, 1968.

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