Naudé, Wim, Amelia U. Santos-Paulino, and Mark McGillivray. "Fragile States: An Overview." Fragile States: Causes, Costs, and Responses. : Oxford University Press, 2011-09-01. Oxford Scholarship Online. 2012-01-19. Date Accessed 26 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199693153.001.0001/acprof-9780199693153-chapter-1>.
Naudé, W., Santos-Paulino, A., & McGillivray, M.(2011-09-01). Fragile States: An Overview. In Fragile States: Causes, Costs, and Responses. : Oxford University Press. Retrieved 26 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199693153.001.0001/acprof-9780199693153-chapter-1.
Naudé, Wim, Amelia U. Santos-Paulino, and Mark McGillivray. "Fragile States: An Overview." In Fragile States: Causes, Costs, and Responses. : Oxford University Press, 2011-09-01. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199693153.001.0001/acprof-9780199693153-chapter-1.
Naudé W, Santos-Paulino AU, McGillivray M. Fragile States: An Overview. In: Naudé W, Santos-Paulino AU, McGillivray M. Fragile States: Causes, Costs, and Responses. Oxford University Press; 2011. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199693153.001.0001/acprof-9780199693153-chapter-1. Accessed May 26, 2013.