Dutton, W. F. (1939). Headache and head pains: A ready reference manual for physicians. F. A. Davis Company.
Lua i Stíl Chicago (17ú heag.)Dutton, Walton Forest. Headache and Head Pains: A Ready Reference Manual for Physicians. Philadelphia: F. A. Davis Company, 1939.
Lua MLA (8ú heag.)Dutton, Walton Forest. Headache and Head Pains: A Ready Reference Manual for Physicians. F. A. Davis Company, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.