Special report numbre 22 

 - Madrid :   World Tourism Organization (UNWTO),  2003 
 - 82 páginas 
<br/><br/>Turismo 
<br/><br/><label>ISBN: </label>928440620X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Turismo --Congresos, conferencias, etc
<br/><br/><label>Dewey Class. No.: </label>338.4791 R425n