Não informado. Puerto Rico Health Bulletin. Insular Department of Health.
Lua i Stíl Chicago (17ú heag.)Não informado. Puerto Rico Health Bulletin. San Juan: Insular Department of Health.
Lua MLA (8ú heag.)Não informado. Puerto Rico Health Bulletin. Insular Department of Health.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.