Social research methods :  a reader / 
edited by Clive Seale. 
 - 1st ed. 
 - London :  Routledge,  2004 
 - 538 p. 
<br/><br/><label>ISBN: </label>0415300843 
<br/><br/><label>Dewey Class. No.: </label>300.72  / SEA.S