Travel, tourism, and hospitality research :  a handbook for managers and researchers / 
editors, J.R. Brent Ritchie, Charles R. Goeldner. 
 - New York :  Wiley,  c1987. 
 - xx, 516 p. 
<br/><br/><label>ISBN: </label>0471842257 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tourist trade--Research.
<br/><br/><label>Dewey Class. No.: </label>380.1/459104/072�19