Gaya APA
VAUGHAN, D., ASBURY, T.
(1989).
General ophthalmology
(
12th ed.)
.
Los Altos:
Lange Medical Publication.
Gaya MLA
VAUGHAN, Daniel., ASBURY, Taylor.
"General ophthalmology".
12th ed.
Los Altos:
Lange Medical Publication,
1989.
Buku.