Não informado. (2004). Engineering journal. Engineering Institute of Canada.
Lua i Stíl Chicago (17ú heag.)Não informado. Engineering Journal. Montreal, Canada: Engineering Institute of Canada, 2004.
Lua MLA (8ú heag.)Não informado. Engineering Journal. Engineering Institute of Canada, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.