@book{15699,
	author = {Asbridge, Thomas.},
	title = {The crusades :},
	publisher = {Harpercollins,},
	year = {2010.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0743268601/chopaconline-20}
}