APA
Stone J. &. P. A. J., . (1981). Contact lenses : a textbook for practitioner and student vol 2.-2nd ed. : .
Chicago
Stone Janet & Phillips Anthony J, . 1981. Contact lenses : a textbook for practitioner and student vol 2.-2nd ed. : .
Harvard
Stone J. &. P. A. J., . (1981). Contact lenses : a textbook for practitioner and student vol 2.-2nd ed. : .
MLA
Stone Janet & Phillips Anthony J, . Contact lenses : a textbook for practitioner and student vol 2.-2nd ed. : . 1981.