@book{9861,
	author = {Hoffmann, Laurence D., and Bradley, Gerald L.,},
	title = {Calculus for business, economics, and the social and life sciences.},
	publisher = {McGraw-Hill,},
	year = {c1996.},
	address = {Boston, Mass. ;},
	edition = {6th ed.},
	note = {Includes index.}
}