Não informado. (1997). Abstracts in new technologies and engineering. Bowker-Saur.
Lua i Stíl Chicago (17ú heag.)Não informado. Abstracts in New Technologies and Engineering. Sussex, Inglaterra: Bowker-Saur, 1997.
Lua MLA (8ú heag.)Não informado. Abstracts in New Technologies and Engineering. Bowker-Saur, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.