Ebert, Ronald J. Business essentials / Ronald J. Ebert, Ricky W. Griffin. - 8th ed. - Upper Saddle River, NJ : Prentice Hall, c2011. - xvii, 335 p. : ill. (chiefly col.) ; 28 cm. Includes bibliographical references and index. ISBN: 9780137053490 Subjects--Topical Terms: Industrial management.Business enterprises.