Não informado. (1953). Contractors and engineers: Magazine of modern construction. Buttenheim-Dix Publishing.
Chicago-referens (17:e uppl.)Não informado. Contractors and Engineers: Magazine of Modern Construction. New York: Buttenheim-Dix Publishing, 1953.
MLA-referens (8:e uppl.)Não informado. Contractors and Engineers: Magazine of Modern Construction. Buttenheim-Dix Publishing, 1953.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.