Davidoff, Philip G. Sales and marketing for travel and tourism / Philip G. Davidoff, Doris S. Davidoff. - Englewood Cliffs, NJ : Prentice Hall Career & Technology, [1994] - vii, 357 p. : ill. ; 24 cm. Includes index. ISBN: 0137878133 Subjects--Topical Terms: Tourism--Marketing. LC Class. No.: G155.A1 / D345 1994 Dewey Class. No.: 338.4/791