Não informado. (2003). Construction equipment and materials. Conover-Mast Publications.
Chicago-referens (17:e uppl.)Não informado. Construction Equipment and Materials. New York: Conover-Mast Publications, 2003.
MLA-referens (8:e uppl.)Não informado. Construction Equipment and Materials. Conover-Mast Publications, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.