Não informado. (1967). WORLD MEETINGS, UNITED STATES AND CANADA. Technical Meetings Information Service.
Lua i Stíl Chicago (17ú heag.)Não informado. WORLD MEETINGS, UNITED STATES AND CANADA. New York: Technical Meetings Information Service, 1967.
Lua MLA (8ú heag.)Não informado. WORLD MEETINGS, UNITED STATES AND CANADA. Technical Meetings Information Service, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.