Mill, Robert Christie. The tourism system : an introductory text / Robert Christie Mill, Alastair M. Morrison. - 2nd ed. - Englewood Cliffs, N.J. : Prentice Hall, c1992. - xvi, 506 p. : ill., maps ; 25 cm. Includes bibliographical references and index. ISBN: 0139231455 LCCN: 91038899 Subjects--Topical Terms: Tourism LC Class. No.: G155.A1