Não informado. (1969). Innovation. Technology Communication.
Lua i Stíl Chicago (17ú heag.)Não informado. Innovation. New York: Technology Communication, 1969.
Lua MLA (8ú heag.)Não informado. Innovation. Technology Communication, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.