APA
(2014). Indian Optician Vol.46 (266 -267) Sept - Dec. : .
Chicago
2014. Indian Optician Vol.46 (266 -267) Sept - Dec. : .
Harvard
(2014). Indian Optician Vol.46 (266 -267) Sept - Dec. : .
MLA
Indian Optician Vol.46 (266 -267) Sept - Dec. : . 2014.