American Academy of Otolaryncology. (1988). Otolaryngology Head and Neck Surgery Nº 5. Mosby Company.
Chicago-čujuhus (17. p.)American Academy of Otolaryncology. Otolaryngology Head and Neck Surgery Nº 5. Washington D.C: Mosby Company, 1988.
MLA-čujuhus (9. p.)American Academy of Otolaryncology. Otolaryngology Head and Neck Surgery Nº 5. Mosby Company, 1988.
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