@book{10871,
	author = {Bittinger, Marvin L. and Beecher, Judith A.},
	title = {Algebra and Trigonometry: Graphs and Models and Precalculus graphs and Models },
	publisher = {Pearson Addison Wesley,},
	year = {2006.},
	address = {New York:},
	edition = {3rd ed.}
}