Não informado. (2002). Civil engineering construction equipment digest. [s.n.].
Chicago-referens (17:e uppl.)Não informado. Civil Engineering Construction Equipment Digest. London: [s.n.], 2002.
MLA-referens (8:e uppl.)Não informado. Civil Engineering Construction Equipment Digest. [s.n.], 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.