APA Citation

(1992). Optics, refraction, and contact lenses 1992-1993 (Last major revision-1989-1990). San Francisco, California:Belum Diset.

Chicago Style Citation

Optics, Refraction, and Contact Lenses 1992-1993 (Last Major Revision-1989-1990). San Francisco, California:Belum Diset, 1992.

MLA Citation

Optics, Refraction, and Contact Lenses 1992-1993 (Last Major Revision-1989-1990). San Francisco, California:Belum Diset, 1992.

Warning: These citations may not always be 100% accurate.