6U.S. Department of State. President' s Remarks at U.S. University Presidents Sutnmit on International Education. [EB/OL]. http://georgewbush-whitehouse.archives.gov/news/releases/2006/01/20060105-1 .html, 2006-01-05.
9Ann Stock. Remarks at the Release of the 2010 Open Doors Report [R]. http://exchanges.state.gov/assistant- secretary-stock/11152010_remarks.html, 2010-11-15.
10HESA. Tuition Fee Income of Higher Education Institutions [EB/OL]. http://www.hesa.ac.uk/content/view/2445/393/, 2012-05-03.