Não informado. (1944). Harvard public health alumni bulletin. Harvard Public Health Alumni Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Harvard Public Health Alumni Bulletin. Boston, Mass: Harvard Public Health Alumni Association, 1944.
Lua MLA (8ú heag.)Não informado. Harvard Public Health Alumni Bulletin. Harvard Public Health Alumni Association, 1944.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.