APA
(2012). Indian Optician Vol. 44 (252 – 253) May – Aug. : .
Chicago
2012. Indian Optician Vol. 44 (252 – 253) May – Aug. : .
Harvard
(2012). Indian Optician Vol. 44 (252 – 253) May – Aug. : .
MLA
Indian Optician Vol. 44 (252 – 253) May – Aug. : . 2012.