Gaya APA

William, H, M., Andrew, F, B, F, D, D. (2005). Eye essentials : routine eye examination . Oxford: Butterworth-heinemann.

Gaya MLA

William, Harvey, MCOptom,., Andrew, Franklin, BSc, FBCO, DOrth, DCLP,. "Eye essentials : routine eye examination". Oxford: Butterworth-heinemann, 2005. Text.