Ford, Andrew. "Endurance." Aristotle as Poet: The Song for Hermias and Its Contexts. : Oxford University Press, 2011-04-25. Oxford Scholarship Online. 2012-01-19. Date Accessed 19 Jun. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199733293.001.0001/acprof-9780199733293-chapter-009>.
Ford, A.(2011-04-25). Endurance. In Aristotle as Poet: The Song for Hermias and Its Contexts. : Oxford University Press. Retrieved 19 Jun. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199733293.001.0001/acprof-9780199733293-chapter-009.
Ford, Andrew. "Endurance." In Aristotle as Poet: The Song for Hermias and Its Contexts. : Oxford University Press, 2011-04-25. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199733293.001.0001/acprof-9780199733293-chapter-009.
Ford A. Endurance. In: Ford AL. Aristotle as Poet: The Song for Hermias and Its Contexts. Oxford University Press; 2011. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199733293.001.0001/acprof-9780199733293-chapter-009. Accessed June 19, 2013.