Cassis, Youssef. "Survival." Big Business: The European Experience in the Twentieth Century. : Oxford University Press, 1999-07-22. Oxford Scholarship Online. 2003-11-01. Date Accessed 25 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/0198296061.001.0001/acprof-9780198296065-chapter-5>.
Cassis, Y.(1999-07-22). Survival. In Big Business: The European Experience in the Twentieth Century. : Oxford University Press. Retrieved 25 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/0198296061.001.0001/acprof-9780198296065-chapter-5.
Cassis, Youssef. "Survival." In Big Business: The European Experience in the Twentieth Century. : Oxford University Press, 1999-07-22. http://www.oxfordscholarship.com/view/10.1093/0198296061.001.0001/acprof-9780198296065-chapter-5.
Cassis Y. Survival. In: Cassis Y. Big Business: The European Experience in the Twentieth Century. Oxford University Press; 1999. http://www.oxfordscholarship.com/view/10.1093/0198296061.001.0001/acprof-9780198296065-chapter-5. Accessed May 25, 2013.