อ้างอิง ของ กระจกตา

  1. Cassin, B. and Solomon, S. Dictionary of Eye Terminology. Gainsville, Florida: Triad Publishing Company, 1990.
  2. Goldstein, E. Bruce. Sensation & Perception. 7th Edition. Canada: Thompson Wadsworth, 2007.
  3. Najjar, Dany "Clinical optics and refraction"