Lederer, F. L. (1938). Diseases of the ear, nose and throat;. F. A. Davis Company.
Lua i Stíl Chicago (17ú heag.)Lederer, Francis Loeffler. Diseases of the Ear, Nose and Throat;. Philadelphia: F. A. Davis Company, 1938.
Lua MLA (8ú heag.)Lederer, Francis Loeffler. Diseases of the Ear, Nose and Throat;. F. A. Davis Company, 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.