Não informado. (2009). Current Opinion in Otolaryngology & Head and Neck Surgery. Lippincott Williams & Wilkins.
Chicago (17e ed.) BronvermeldingNão informado. Current Opinion in Otolaryngology & Head and Neck Surgery. Philadelphia, Pa: Lippincott Williams & Wilkins, 2009.
MLA (8e ed.) BronvermeldingNão informado. Current Opinion in Otolaryngology & Head and Neck Surgery. Lippincott Williams & Wilkins, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.