Foundation for International Studies. (1989). Consultation on the use of findings of enviromental research in enviromental education. UNESCO.
Citazione stile Chigago Style (17a edizione)Foundation for International Studies. Consultation on the Use of Findings of Enviromental Research in Enviromental Education. La Valletta: UNESCO, 1989.
Citatione MLA (9a ed.)Foundation for International Studies. Consultation on the Use of Findings of Enviromental Research in Enviromental Education. UNESCO, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.