@book{7727,
	author = {R.David Gustafson and Jeffrey D.Hughes},
	title = {College Algebra :},
	publisher = {McGraw-Hill,},
	year = {c2017.},
	series = {Schaum's outline series},
	address = {New York :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/mh021/00501476.html}
}