Mill, Robert Christie. The tourism system an introductory text Robert Christie Mill, Alastair M. Morrison. - 3rd ed. - Dubuque, Iowa Kendall/Hunt c1998. - ix, 387 p. ill., maps 28 cm. Includes bibliographical references and index. ISBN: 0787233277 LCCN: 97076576 Subjects--Topical Terms: Tourist trade LC Class. No.: G155.A1 / M5 1998 Dewey Class. No.: 338.4/791