CLAYTON, Gary E. GIESBRECHT, Martin Gerhard <br/><br/>
EVERYDAY ECONOMIC STATISTICS 

 - 4th Ed. 
 - London  Routledge and Kegan Paul Limited, London   1998 
<br/><br/><label>ISBN: </label>0 07 109308 7 
<br/><br/><label>Dewey Class. No.: </label>330.015 195  / CLA/E