@book{14199,
	author = {Barnett, Raymond A. and Ziegler, Michael R.},
	title = {Finite Mathematics for Business, Economics, Life Sciences and Social Sciences/},
	publisher = {Prentice Hall,},
	year = {2002},
	address = {Upper Saddle River, NJ:},
	edition = {9th ed.},
	note = {Includes index.}
}