APA (7th ed.) Zitazioa

ebrary, Inc, & Hallberg, A. C. (2011). Tonsillar disorders: Etiology, diagnosis and treatment. Nova Science.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, eta Anne C. Hallberg. Tonsillar Disorders: Etiology, Diagnosis and Treatment. Hauppauge, N.Y.: Nova Science, 2011.

MLA (9th ed.) Zitazioa

ebrary, Inc, eta Anne C. Hallberg. Tonsillar Disorders: Etiology, Diagnosis and Treatment. Nova Science, 2011.