American Academy of Otolaryncology. (1988). Otolaryngology Head and Neck Surgery Nº 5. Mosby Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Academy of Otolaryncology. Otolaryngology Head and Neck Surgery Nº 5. Washington D.C: Mosby Company, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican Academy of Otolaryncology. Otolaryngology Head and Neck Surgery Nº 5. Mosby Company, 1988.
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