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, c2006. - xvii, 489 p., [16] p. of plates : ill., maps ; 28 cm. Includes bibliographical references and index. ISBN: 0131189808 Subjects--Topical Terms: Tourism LC Class. No.: G155.A1 Dewey Class. No.: 910/.68