Não informado. (2000). International journal of engineering. National Center for Scientific Research.
Lua i Stíl Chicago (17ú heag.)Não informado. International Journal of Engineering. Teheran: National Center for Scientific Research, 2000.
Lua MLA (8ú heag.)Não informado. International Journal of Engineering. National Center for Scientific Research, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.