Não informado. (2009). Current Opinion in Otolaryngology & Head and Neck Surgery. Lippincott Williams & Wilkins.
Chicago-referens (17:e uppl.)Não informado. Current Opinion in Otolaryngology & Head and Neck Surgery. Philadelphia, Pa: Lippincott Williams & Wilkins, 2009.
MLA-referens (8:e uppl.)Não informado. Current Opinion in Otolaryngology & Head and Neck Surgery. Lippincott Williams & Wilkins, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.