@book{172,
	author = {Hutchinson, Amélia P., and Lloyd, Janet,},
	title = {Portuguese :},
	publisher = {Routledge,},
	year = {2003.},
	series = {Routledge essential grammars},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0664/2003005266-d.html}
}