Hezser, Catherine. "Hierarchical Equations and DiVerentiations." Jewish Slavery in Antiquity. : Oxford University Press, 2005-12-22. Oxford Scholarship Online. 2010-01-01. Date Accessed 24 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199280865.001.0001/acprof-9780199280865-chapter-5>.
Hezser, C.(2005-12-22). Hierarchical Equations and DiVerentiations. In Jewish Slavery in Antiquity. : Oxford University Press. Retrieved 24 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199280865.001.0001/acprof-9780199280865-chapter-5.
Hezser, Catherine. "Hierarchical Equations and DiVerentiations." In Jewish Slavery in Antiquity. : Oxford University Press, 2005-12-22. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199280865.001.0001/acprof-9780199280865-chapter-5.
Hezser C. Hierarchical Equations and DiVerentiations. In: Hezser C. Jewish Slavery in Antiquity. Oxford University Press; 2005. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199280865.001.0001/acprof-9780199280865-chapter-5. Accessed May 24, 2013.