Não informado. (2001). Scientific Publication. Pan American Sanitary Bureau.
Lua i Stíl Chicago (17ú heag.)Não informado. Scientific Publication. Washington: Pan American Sanitary Bureau, 2001.
Lua MLA (8ú heag.)Não informado. Scientific Publication. Pan American Sanitary Bureau, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.