Sayer, Andrew <br/><br/>
Method in social science: a realist approach 

 - 2nd ed 
 - LoNew Delhion: Routledge  1992 
 - xii, 314p.  22cm 
<br/><br/><label>ISBN: </label>0415076072 
<br/><br/><label>Dewey Class. No.: </label>300.72,  / say