International Congress of Ecology. (1980). Environmental Education: Principles, methods, and applications. Plenum Press.
Citazione stile Chigago Style (17a edizione)International Congress of Ecology. Environmental Education: Principles, Methods, and Applications. New York ; London: Plenum Press, 1980.
Citatione MLA (9a ed.)International Congress of Ecology. Environmental Education: Principles, Methods, and Applications. Plenum Press, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.