Não informado. (1922). Venereal Disease Information. U.S. Public Health Service, Venereal Disease Division.
Lua i Stíl Chicago (17ú heag.)Não informado. Venereal Disease Information. Washington: U.S. Public Health Service, Venereal Disease Division, 1922.
Lua MLA (8ú heag.)Não informado. Venereal Disease Information. U.S. Public Health Service, Venereal Disease Division, 1922.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.