@book{79376,
	author = {Zill, Dennis G. and Dewar, Jacqueline M.},
	title = {Precalculus with calculus previews /},
	publisher = {Jones & Bartlett Learning,},
	year = {2013},
	series = {The Jones & Bartlett Learning series in mathematics. Precalculus},
	address = {Burlington, Mass. :},
	edition = {5th ed.},
	note = {Includes index}
}