Não informado. (1971). ASIS Handbook & Directory. American Society for Information Science.
Lua i Stíl Chicago (17ú heag.)Não informado. ASIS Handbook & Directory. Washington: American Society for Information Science, 1971.
Lua MLA (8ú heag.)Não informado. ASIS Handbook & Directory. American Society for Information Science, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.