Mill, Robert Christie. The tourism system : an introductory text / Robert Christie Mill, Alastair M. Morrison. - Englewood Cliffs, N.J. : Prentice-Hall, c1985. - xx, 457 p. : ill. ; 24 cm. Includes bibliographies and indexes. ISBN: 0139256458 LCCN: 84018289 Subjects--Topical Terms: Tourism LC Class. No.: G155.A1 Dewey Class. No.: 380.1/459104