Não informado. (1982). Civil engineering for practicing and design engineers. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Civil Engineering for Practicing and Design Engineers. New York: Pergamon Press, 1982.
Lua MLA (8ú heag.)Não informado. Civil Engineering for Practicing and Design Engineers. Pergamon Press, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.