Gaya APA
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Pediatric Otolaryngology. Vol.1,2 (2nd ed).
Philadelphia:
W.B. Saunders Company.
Gaya MLA
Bluestone, Charles, D. et al.
"Pediatric Otolaryngology. Vol.1,2".
2nd ed
Philadelphia:
W.B. Saunders Company,
1990.
print.