Gaya APA
M., P, M. (1990).
The Year Book of Otolaryngology Head and Neck Surgery 1990 (--).
chicago:
Medical publishers inc.
Gaya MLA
M., Paparella, Michael.
"The Year Book of Otolaryngology Head and Neck Surgery 1990".
--
chicago:
Medical publishers inc,
1990.
Text.