1. Student Involvement: A Developmental Theory for Higher Education;Astin;Journal of College Student Development,1984
2. Seven Principles for Good Practice in Undergraduate Education;Chickering;AAHE Bulletin,1987
3. Commission on the Future of Higher Education. A Test of Leadership: Charting the Future of U.S. Higher Education. Washington, D.C.: U.S. Department of Education, 2006. Retrieved Sept. 4, 2008, from http://www.ed.gov/about/bdscomm/list/hiedfuture/reports/final-report.pdf.