Kerrison, P. D. (1921). Diseases of the ear (2d ed.--rev. and enl.). J. B. Lippincott Company.
Lua i Stíl Chicago (17ú heag.)Kerrison, Philip D. Diseases of the Ear. 2d ed.--rev. and enl. Philadelphia, London: J. B. Lippincott Company, 1921.
Lua MLA (8ú heag.)Kerrison, Philip D. Diseases of the Ear. 2d ed.--rev. and enl. J. B. Lippincott Company, 1921.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.