Foundation for International Studies. (1989). Consultation on the use of findings of enviromental research in enviromental education. UNESCO.
Chicago (17e ed.) BronvermeldingFoundation for International Studies. Consultation on the Use of Findings of Enviromental Research in Enviromental Education. La Valletta: UNESCO, 1989.
MLA (9e ed.) BronvermeldingFoundation for International Studies. Consultation on the Use of Findings of Enviromental Research in Enviromental Education. UNESCO, 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.