APA
(2013). Indian Optician Vol. 45 (260 - 261) Sept - Dec. : .
Chicago
2013. Indian Optician Vol. 45 (260 - 261) Sept - Dec. : .
Harvard
(2013). Indian Optician Vol. 45 (260 - 261) Sept - Dec. : .
MLA
Indian Optician Vol. 45 (260 - 261) Sept - Dec. : . 2013.