Anderson, David R. Quantitative methods for business / David R. Anderson, Dennis J. Sweeney, Thomas A. Williams. - 11th Ed. - Eagan, MN : Cengage South-Western, 2009. - 822 p. 25 cm. ISBN: 0324566379 Subjects--Topical Terms: Quantitative methods LC Class. No.: HF5691 / . A533 2008