O'Hara, Erin A., and Larry E. Ribstein. "The Creation of a Law Market." The Law Market. : Oxford University Press, 2009-03-01. Oxford Scholarship Online. 2009-05-01. Date Accessed 18 Jun. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195312898.001.0001/acprof-9780195312898-chapter-4>.
O'Hara, E., & Ribstein, L.(2009-03-01). The Creation of a Law Market. In The Law Market. : Oxford University Press. Retrieved 18 Jun. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195312898.001.0001/acprof-9780195312898-chapter-4.
O'Hara, Erin A., and Larry E. Ribstein. "The Creation of a Law Market." In The Law Market. : Oxford University Press, 2009-03-01. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195312898.001.0001/acprof-9780195312898-chapter-4.
O'Hara EA, Ribstein LE. The Creation of a Law Market. In: Ribstein LE, O'Hara E. The Law Market. Oxford University Press; 2009. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195312898.001.0001/acprof-9780195312898-chapter-4. Accessed June 18, 2013.