International Congress of Ecology. (1980). Environmental Education: Principles, methods, and applications. Plenum Press.
Chicago-Zitierstil (17. Ausg.)International Congress of Ecology. Environmental Education: Principles, Methods, and Applications. New York ; London: Plenum Press, 1980.
MLA-Zitierstil (9. Ausg.)International Congress of Ecology. Environmental Education: Principles, Methods, and Applications. Plenum Press, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.