Overton, F. (1923). General hygiene. American Book Co.
Lua i Stíl Chicago (17ú heag.)Overton, Frank. General Hygiene. New York: American Book Co, 1923.
Lua MLA (8ú heag.)Overton, Frank. General Hygiene. American Book Co, 1923.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.