Sorensen, Helle. <br/><br/>
International travel and tourism / 
Helle Sorensen. 
 - Albany, N.Y. :  Delmar Publishers Inc.,  1997. 
 - 358 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0827374488  RM263.76 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tourist trade.