@book{3330,
	author = {Sargeant.},
	title = {Understanding prepositions /},
	publisher = {Prim-Ed Publishing,},
	year = {2002.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/9814107131/chopaconline-20}
}