Wall, Geoffrey. Tourism : change, impacts, and opportunities / Geoffrey Wall and Alister Mathieson. - 2nd ed. - Harlow, England ; New York : Pearson Prentice Hall, 2006. - xiii, 412 p. : ill. ; ISBN: 0130994006 (pbk.) 9780130994004 (pbk.) Subjects--Topical Terms: Tourism. LC Class. No.: G 155.A1 / W355