Não informado. (1974). Engineering Education News. American Society for Engineering Education.
Lua i Stíl Chicago (17ú heag.)Não informado. Engineering Education News. Washington: American Society for Engineering Education, 1974.
Lua MLA (8ú heag.)Não informado. Engineering Education News. American Society for Engineering Education, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.