International migration today :  trends and prospects / 
Edit. by Reginald T. Appleyard. 
 - París :  Australia :  UNESCO;  University of Western Australia, Centre for Migration and Development Studies,  1988. 
 - 2 v. :  fot. 
<br/><br/><label>ISBN: </label>9231025279 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>314.744 (100) =20 INT Vol.1.