@book{5646,
	author = {Tussy, Alan S. and Gustafson, R. David.},
	title = {Elementary Algebra /},
	publisher = {Brooks Cole,},
	year = {2007.},
	address = {[S.l.] :},
	edition = {3rd ed.},
	url = {https://archive.org/details/elementaryalgebr0000tuss_l3t8}
}