Harbury, C. D. <br/><br/>
Descriptive economics / 
C. D. Harbury. 
 - 6th edition 
 - London :  Pitman,  1981 
 - xi, 286 pages :   illustrations ;  23 cm 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0273017330