Recommendations on statistics of International migration. 

 - New York  United Nations          1980 
 - vi,73p.  cm. 
<br/><br/> Statistical papers series M, no. 58. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:9J2.1.N0s, M/UN