Não informado. (1937). Bulletin of the Health Organisation. League of Nations.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of the Health Organisation. Geneva, Suíça: League of Nations, 1937.
Lua MLA (8ú heag.)Não informado. Bulletin of the Health Organisation. League of Nations, 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.