Não informado. (2000). Transportation engineer. American Cartagemen Publishing Corporation.
Lua i Stíl Chicago (17ú heag.)Não informado. Transportation Engineer. Mount Morris, Ill: American Cartagemen Publishing Corporation, 2000.
Lua MLA (8ú heag.)Não informado. Transportation Engineer. American Cartagemen Publishing Corporation, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.