Cassel, G. H., Billig, M. D., & Randall, H. G. (2000). The Eye book: A complete guide to eye disorders and health (Large Print ed.). Johns Hopkins University Press.
Lua i Stíl Chicago (17ú heag.)Cassel, Gary H., Michael D. Billig, agus Harry G. Randall. The Eye Book: A Complete Guide to Eye Disorders and Health. Large Print ed. Baltimore, Md ; London: Johns Hopkins University Press, 2000.
Lua MLA (9ú heag.)Cassel, Gary H., et al. The Eye Book: A Complete Guide to Eye Disorders and Health. Large Print ed. Johns Hopkins University Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.