GREGORY, D. <br/><br/>
Statistics for Business. 

 - 3rd Ed. 
 - New York,  Mcgraw- Hill Companies,Inc,  1978. 
 - xi,298p.: Ill.;figures, tables.  Index  24cm. 
<br/><br/><label>ISBN: </label>0-07-084606-5 
<br/><br/><label>Dewey Class. No.: </label>519.5  GRE