Cook Roy A Tourism : the business of travel / Roy A. Cook, Laura J. Yale, Joseph J. Marqua. - 3rd ed. - Upper Saddle River, N.J. : Pearson Prentice Hall, 2006. - 489 p. ill. (some col.), maps (some col.) ; 28 cm. Includes bibliographical references. ISBN: 0131189808 Subjects--Topical Terms: Tourism LC Class. No.: G155.A1