Gaya APA
Beckman,Hugh, . (1985).
Symposium on the Laser in Ophthalmology and Glaucoma Update .
St.Louis:
The C.V Mosby Company.
Gaya MLA
Beckman,Hugh, .
"Symposium on the Laser in Ophthalmology and Glaucoma Update".
St.Louis:
The C.V Mosby Company,
1985.
print.