Brotheridge, C. M., and R. T. Lee. “Correlates and Consequences of Degree Purchasing Among Canadian University Students”. Canadian Journal of Higher Education, vol. 35, no. 2, June 2005, pp. 71-97, https://www.cjhe.test.sfulib7.publicknowledgeproject.org/index.php/cjhe/article/view/183501.