APA (7e ed.) Bronvermelding

(1985). Toward an international policy of environmental research. minister de l'environnment.

Chicago (17e ed.) Bronvermelding

Toward an International Policy of Environmental Research. Paris: minister de l'environnment, 1985.

MLA (9e ed.) Bronvermelding

Toward an International Policy of Environmental Research. minister de l'environnment, 1985.

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