Bryman, Alan. <br/><br/>
Quantitative data analysis for social scientists   
by Alan Bryman and Duncan Cramer 
 - Rev.ed. 
 - London  Routledge  1994 
 - xiv,294p 
<br/><br/><label>ISBN: </label>0415113075 
<br/><br/><label>Dewey Class. No.: </label>300.01519535  / N94