8Bridges,D.. "Education and International Understanding'--Philosophical Examination [R ]. London: Institute of Education, University of London, 1970. 23.
9Walter Johnson,Francis James Colligan. The Ful- bright Program: A History [M]. Chicago: The University of Chicago Press, 1965. 12.
10UNESCO Associated Schools Project. International Congress on the Occasion of the Thirtieth Anniversary of the Associated Schools Project: Final Report [R]. Sofia and Paris: Unesco, 1984. 10-12.