Fuentes

http://www.machinerytrader.com/list/list.aspx?HDRSO=Location&ETID=1&Mdltxt=740&Manu=CATERPILLAR&bcatid=4&Pref=0&scf=false&HDROR=asc

http://www.cat.com/en_US/products/new/equipment/articulated-trucks.html

http://www.ritchiespecs.com/specification?category=Articulated+Dump+Truck&make=CATERPILLAR&model=740&modelid=91910

http://cotizador.cargainfo.com/

http://www.andinafreight.com/

http://www.siicex.gob.pe/siicex/portal5ES.asp?_page_=598.59700


http://gestion.pe/noticia/286128/comercio-entre-canada-peru-creceria-15-este-ano