@book{9512,
	author = {Hughes-Hallet, Deborah and McCallum, William G.},
	title = {Calculus :},
	publisher = {Walsworth Publishing Company,},
	year = {2011.},
	address = {River street, Hoboken, NJ. :},
	edition = {5th ed.},
	note = {Includes index.}
}