Não informado. (1968). World meetings outside United States and Canada. Technical Meetings Information Service.
Lua i Stíl Chicago (17ú heag.)Não informado. World Meetings Outside United States and Canada. Newton Centre, Mass: Technical Meetings Information Service, 1968.
Lua MLA (8ú heag.)Não informado. World Meetings Outside United States and Canada. Technical Meetings Information Service, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.