Denniston, Alastair K. O., and Philip I. Murray. "Conjunctiva." Oxford Handbook of Ophthalmology. New York, NY: Oxford University Press, 2009-06-11. Oxford Medicine. 201008. Date Accessed 20 Jun. 2013 <http://oxfordmedicine.com/view/10.1093/med/9780199552641.001.0001/med-9780199552641-chapter-6>.
Denniston, A., & Murray, P.(2009-06-11). Conjunctiva. In Oxford Handbook of Ophthalmology. New York, NY: Oxford University Press. Retrieved 20 Jun. 2013, from http://oxfordmedicine.com/view/10.1093/med/9780199552641.001.0001/med-9780199552641-chapter-6.
Denniston, Alastair K. O., and Philip I. Murray. "Conjunctiva." In Oxford Handbook of Ophthalmology. New York, NY: Oxford University Press, 2009-06-11. http://oxfordmedicine.com/view/10.1093/med/9780199552641.001.0001/med-9780199552641-chapter-6.
Denniston AKO, Murray PI. Conjunctiva. In: Oxford Handbook of Ophthalmology. New York, NY: Oxford University Press; 2009. http://oxfordmedicine.com/view/10.1093/med/9780199552641.001.0001/med-9780199552641-chapter-6. Accessed June 20, 2013.