Gaya APA
Ellis, P, P.
(1985).
Ocular Therapeutics and Pharmacology
(
7th ed.)
.
St. Louis:
The C.V. Mosby.
Gaya MLA
Ellis, Philip, P..
"Ocular Therapeutics and Pharmacology".
7th ed.
St. Louis:
The C.V. Mosby,
1985.
print.