Gaya APA

Ghai, A, K. (2013). Refraction, Dispensing Optics and Ophtalmic Procedures . New Delhi: Jaypee Brothers Medical Publishers.

Gaya MLA

Ghai, Ashwani, Kumar. "Refraction, Dispensing Optics and Ophtalmic Procedures". New Delhi: Jaypee Brothers Medical Publishers, 2013. Text.