Crane, Daniel A. "Antitrust Federalism." The Institutional Structure of Antitrust Enforcement. : Oxford University Press, 2011-02-02. Oxford Scholarship Online. 2011-05-01. Date Accessed 25 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195372656.001.0001/acprof-9780195372656-chapter-8>.
Crane, D.(2011-02-02). Antitrust Federalism. In The Institutional Structure of Antitrust Enforcement. : Oxford University Press. Retrieved 25 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195372656.001.0001/acprof-9780195372656-chapter-8.
Crane, Daniel A. "Antitrust Federalism." In The Institutional Structure of Antitrust Enforcement. : Oxford University Press, 2011-02-02. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195372656.001.0001/acprof-9780195372656-chapter-8.
Crane DA. Antitrust Federalism. In: Crane DA. The Institutional Structure of Antitrust Enforcement. Oxford University Press; 2011. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195372656.001.0001/acprof-9780195372656-chapter-8. Accessed May 25, 2013.