6UNESCO. Global Education Digest 2007 [M]. Montreal, Canada: UNESCO Institute for Statistics, 2007.
7UNESCO. Global Education Digest 2012 [M]. Montreal, Canada: UNESCO Institute for Statistics, 2012.
8Open Doors. Report on International Educational Exchange [EB/OL]. http://opendoors.iienetwork.org.
9KINZIE J, PALMER M, HAYEK J, et al. Fifty Years of College Choice: Social, Political and Institutional Influences on the Decision-making Process[J]. Lumina Foundation for Education New Agenda Series, 2004, 5(3):1-76.
10HOSSLER D R, BRAXTON J,COOPERSMITH G. Understanding Student College Choice. [G]//SMART J D (Ed.). Higher Education: Handbook of Theory and Research. New York, NY: Agathon Press, 1989:231-288.