EURYSN & Brady, B. M. (1992). The Earth Summit file: A series of youth information leaflets on UNCED. European Youth Science Network.
MLA CitationEURYSN and B. Martin Brady. The Earth Summit File: A Series of Youth Information Leaflets on UNCED. European Youth Science Network, 1992.
Warning: These citations have been automatically generated and may not always be 100% accurate..