APA
(1986). Rigid Gas- Permeable Contact Lenses. New York: Fairchild Publications.
Chicago
1986. Rigid Gas- Permeable Contact Lenses. New York: Fairchild Publications.
Harvard
(1986). Rigid Gas- Permeable Contact Lenses. New York: Fairchild Publications.
MLA
Rigid Gas- Permeable Contact Lenses. New York: Fairchild Publications. 1986.