@book{9630,
	author = {Langan, John,},
	title = {College writing skills},
	publisher = {McGraw-Hill,},
	year = {2007.},
	address = {New York, NY :},
	edition = {7th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0713/2007010579.html}
}