Gaya APA

Kanski, J, J., Bowling, B. (2011). Clinical Ophthalmology : a systematic Approach (7). : Elsevier Saunders.

Gaya MLA

Kanski, Jack, J.., Bowling, Brad. "Clinical Ophthalmology : a systematic Approach". 7 : Elsevier Saunders, 2011. Text.