Kirkup, C., Wheater, R., Schagen, I., Morrison, J., & Whetton, C. (2008). Use of an aptitude test in university entrance: A validity study—2008 Update: Further Analyses of SAT Data. Retrieved 30 April 2009 from http://www.dcsf.gov.uk/research/data/uploadfiles/DIUS-RR-09-02.pdf

McDonald, A. S., Newton, P. E., Whetton, C., & Benefield, P. (2000). Aptitude testing for university entrance: A literature review. Slough, England: NFER.

McManus, I. C., Smithers, E., Partridge, P., Keeling, A., & Fleming, P. R. (2003). A levels and intelligence as predictors of medical careers in UK doctors: 20 year prospective study. British Medical Journal, 327, 139–142.

Royal Literary Fund. (2006). Writing matters: The Royal Literary Fund's report on student writing in higher education. London: Royal Literary Fund.

Stringer, N. (2008). Aptitude tests versus school exams as selection tools for higher education and the case for assessing educational achievement in context. Research Papers in Education, 23(1), 53–68.