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.
Dyfyniad Arddull ChicagoCassel, Gary H., Michael D. Billig, and 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.
Dyfyniad MLACassel, Gary H., et al. The Eye Book: A Complete Guide to Eye Disorders and Health. Large Print ed. Johns Hopkins University Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.