Foundation for International Studies. (1989). Consultation on the use of findings of enviromental research in enviromental education. UNESCO.
Citace podle Chicago (17th ed.)Foundation for International Studies. Consultation on the Use of Findings of Enviromental Research in Enviromental Education. La Valletta: UNESCO, 1989.
Citace podle MLA (9th ed.)Foundation for International Studies. Consultation on the Use of Findings of Enviromental Research in Enviromental Education. UNESCO, 1989.
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