APA
(1997). Eye Vol.11, No.1-6, 1997. London: Royal College of Ophthalmologists.
Chicago
1997. Eye Vol.11, No.1-6, 1997. London: Royal College of Ophthalmologists.
Harvard
(1997). Eye Vol.11, No.1-6, 1997. London: Royal College of Ophthalmologists.
MLA
Eye Vol.11, No.1-6, 1997. London: Royal College of Ophthalmologists. 1997.
