Hafer, Carolyn L., and Becky L. Choma. "Belief in a Just World, Perceived Fairness, and Justification of the Status Quo." Social and Psychological Bases of Ideology and System Justification. : Oxford University Press, 2009-08-01. Oxford Scholarship Online. 2009-05-01. Date Accessed 22 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195320916.001.0001/acprof-9780195320916-chapter-5>.
Hafer, C., & Choma, B.(2009-08-01). Belief in a Just World, Perceived Fairness, and Justification of the Status Quo. In Social and Psychological Bases of Ideology and System Justification. : Oxford University Press. Retrieved 22 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195320916.001.0001/acprof-9780195320916-chapter-5.
Hafer, Carolyn L., and Becky L. Choma. "Belief in a Just World, Perceived Fairness, and Justification of the Status Quo." In Social and Psychological Bases of Ideology and System Justification. : Oxford University Press, 2009-08-01. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195320916.001.0001/acprof-9780195320916-chapter-5.
Hafer CL, Choma BL. Belief in a Just World, Perceived Fairness, and Justification of the Status Quo. In: Jost JT, Kay AC, Thorisdottir H. Social and Psychological Bases of Ideology and System Justification. Oxford University Press; 2009. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195320916.001.0001/acprof-9780195320916-chapter-5. Accessed May 22, 2013.