BURKART A. J.  MEDLIK S. <br/><br/>
TOURISM:  PAST, PRESENT AND FUTURE 

 - 2nd ED. 
 - LONDON:  WILLIAM HEINEMANN LTD,  1981. 
<br/><br/><label>ISBN: </label>0434901954. 
<br/><br/><label>Dewey Class. No.: </label>382.782 BUR