Mansfield, Edwin.
Statistics for business and economics: methods and applications /
Edwin Mansfield 
. - 3rd edition 
. - New York : London : W.W. Norton & company,  1987 
. - xxviii, 698 p., 129 A.  ill., tab., schem.  27 cm. 
<br/>К.: Бібліогр. в підрядк. прим. 
<br/><label>  ISBN: </label>0-393-95569-9