Porvisional guidelines on statistics of international tourism 

 - New York:  United Nation Government Printing Office,  1978 
 - 52 p.;  30 cm. 
 - Series no.62 .
<br/><br/> Cover title 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tourism<br/>Tourist trade
<br/><br/><label>Dewey Class. No.: </label>338.4791