References
Adelman, C. (2006). The Toolbox Revisited: Paths to Degree Completion From High School Through College. U.S. Department of Education. Retrieved on March 24, 2009, from http://www.ed.gov/rschstat/research/pubs/toolboxrevisit/index.html
Carey, K. (April 23, 2007). Admission Impossible? It's Harder Than Ever To Get Into The Top Colleges, Right? Not Really. The American Prospect http://www.prospect.org/cs/articles?articleId=12716
Hoxby, C. M. (October 2009). The Changing Selectivity of American Colleges. National Bureau of Economic Research http://papers.nber.org/papers/w15446
Jerald, G. D. (2009).
Defining a 21st Century Education. Center for Public Education. Retrieved on July 25, 2009
Pryor, J. H., Hurtado, S., Seanz, V. B., Santos, J. L. and Korn, W. S. (2007). The American Freshman: Forty Year Trends 1966-2006. The Higher Education Research Institute at UCLA. Retrieved on December 6, 2009, from http://www.heri.ucla.edu/PDFs/pubs/briefs/40yrTrendsResearchBrief.pdf