Howell, David W Passport : an introduction to the travel and tourism industry / David W. Howell - Cincinnati, Ohio : South-Western Pub., c1989 [i.e. c1988] - x, 422 p. : ill. ; 28 cm. ISBN: 0538192208 Subjects--Topical Terms: Tourism--Vocational guidance.Travel agents--Vocational guidance. Dewey Class. No.: 338. 4791068 / HOW