APA
Roy F., . (2012). Ocular differential diagnosis.-9th ed. New Delhi: Jaypee Brothers Medical Publishers.
Chicago
Roy Fredrick, . 2012. Ocular differential diagnosis.-9th ed. New Delhi: Jaypee Brothers Medical Publishers.
Harvard
Roy F., . (2012). Ocular differential diagnosis.-9th ed. New Delhi: Jaypee Brothers Medical Publishers.
MLA
Roy Fredrick, . Ocular differential diagnosis.-9th ed. New Delhi: Jaypee Brothers Medical Publishers. 2012.