Russell, Gordon W. "Methods, Measures, and Views of Sports Aggression." Aggression in the Sports World: A social psychological perspective. : Oxford University Press, 2008-03-20. Oxford Scholarship Online. 2008-05-01. Date Accessed 22 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195189599.001.0001/acprof-9780195189599-chapter-7>.
Russell, G.(2008-03-20). Methods, Measures, and Views of Sports Aggression. In Aggression in the Sports World: A social psychological perspective. : Oxford University Press. Retrieved 22 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195189599.001.0001/acprof-9780195189599-chapter-7.
Russell, Gordon W. "Methods, Measures, and Views of Sports Aggression." In Aggression in the Sports World: A social psychological perspective. : Oxford University Press, 2008-03-20. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195189599.001.0001/acprof-9780195189599-chapter-7.
Russell GW. Methods, Measures, and Views of Sports Aggression. In: Russell GW. Aggression in the Sports World: A social psychological perspective. Oxford University Press; 2008. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195189599.001.0001/acprof-9780195189599-chapter-7. Accessed May 22, 2013.