APA
(2015). Indian Optician Vol.47 (268 – 269) Jan - April. : .
Chicago
2015. Indian Optician Vol.47 (268 – 269) Jan - April. : .
Harvard
(2015). Indian Optician Vol.47 (268 – 269) Jan - April. : .
MLA
Indian Optician Vol.47 (268 – 269) Jan - April. : . 2015.