Foundation for International Studies. (1989). Consultation on the use of findings of enviromental research in enviromental education. UNESCO.
Chicago-referens (17:e uppl.)Foundation for International Studies. Consultation on the Use of Findings of Enviromental Research in Enviromental Education. La Valletta: UNESCO, 1989.
MLA-referens (9:e uppl.)Foundation for International Studies. Consultation on the Use of Findings of Enviromental Research in Enviromental Education. UNESCO, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.