@book{32089,
	author = {Hoffmann, Laurence D., and Bradley, Gerald L.,},
	title = {Applied Calculus for Business, Economics, and the Social and Life Sciences /},
	publisher = {McGraw-Hill Higher Education,},
	year = {c2007.},
	address = {Boston :},
	edition = {Expanded 9th ed. /},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/ecip0519/2005027987.html}
}