@book{4173,
	author = {Howarth, Tim. and Watson, Paul.},
	title = {Construction Safety Management /},
	publisher = {Wiley-Blackwell,},
	year = {2008.},
	address = {[S.l.] :},
	edition = {1st ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/1405186607/chopaconline-20}
}