APA
(2015). Indian Optician Vol.47 (270 – 271) May – Aug. : .
Chicago
2015. Indian Optician Vol.47 (270 – 271) May – Aug. : .
Harvard
(2015). Indian Optician Vol.47 (270 – 271) May – Aug. : .
MLA
Indian Optician Vol.47 (270 – 271) May – Aug. : . 2015.