Yearbook of tourism statistics 

 - 2002 ed. (A-L), (M-Z) 2003 ed. (A-L), (M-Z) 2004 ed. (A-L), (M-Z) 2006 ed. 2005 ed. (A-L), (M-Z) 
 - Madrid  World Tourism Organization  1994- 
 - vol. 1-2 .
<br/><br/> PTSL's holdings: 1994,1999, 2002, 2003, 2004, 2005, 2006 
<br/><br/><label>ISBN: </label>9284410541 (2006)  RM 702.00 9284407753 (2005)  RM 702.00