Gaya APA
Shambaugh, G, E., Glasscock, M.
(1980).
Surgery of the Ear
.
Philadelphia:
WB. Saundesrs.
Gaya MLA
Shambaugh, George, E., Glasscock, Michael.
"Surgery of the Ear".
Philadelphia:
WB. Saundesrs,
1980.
print.