Não informado. (1985). Technology strategies. Strategic Direction Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Technology Strategies. Zurich, Suíça: Strategic Direction Publishers, 1985.
Lua MLA (8ú heag.)Não informado. Technology Strategies. Strategic Direction Publishers, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.