APA
(2014). Indian Optician Vol. 46 (262 - 263) Jan _ April. : .
Chicago
2014. Indian Optician Vol. 46 (262 - 263) Jan _ April. : .
Harvard
(2014). Indian Optician Vol. 46 (262 - 263) Jan _ April. : .
MLA
Indian Optician Vol. 46 (262 - 263) Jan _ April. : . 2014.