Não informado. (1982). Civil engineering for practicing and design engineers. Pergamon Press.
Chicago-referens (17:e uppl.)Não informado. Civil Engineering for Practicing and Design Engineers. New York: Pergamon Press, 1982.
MLA-referens (8:e uppl.)Não informado. Civil Engineering for Practicing and Design Engineers. Pergamon Press, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.