Cook, Roy A. Tourism : the business of travel / Roy A. Cook., Laura J. Yale. and Joseph J. Marqua - 3rd ed., - New Delhi : Pearson Education., 2006. - xvii, 489 p. : ill., figs., table ; 27 cm. Includes bibliographical reference ISBN: 9788131714874 Subjects--Topical Terms: Tourism.Toerisme. Dewey Class. No.: 910.68/ C771t