Gaya APA
Senturia, B, H. et al (1980).
Diseases of the External Ear: An Otologic-Dermatologic Manual (2nd ed).
New York:
Grune \rStratton.
Gaya MLA
Senturia, Ben, H. et al.
"Diseases of the External Ear: An Otologic-Dermatologic Manual".
2nd ed
New York:
Grune \rStratton,
1980.
print.