DUKE-ELDER, S. (1969). The practice of refraction, With 244 illustrations. St. Louis:C.V. Mosby Company.
Chicago Style CitationDUKE-ELDER, Stewart. The Practice of Refraction, With 244 Illustrations. St. Louis:C.V. Mosby Company, 1969.
MLA CitationDUKE-ELDER, Stewart. The Practice of Refraction, With 244 Illustrations. St. Louis:C.V. Mosby Company, 1969.
Warning: These citations may not always be 100% accurate.