Theory and method/ 
Churton, Mel 
 - 2nd ed. 
 - England:  Palgrave macmillan,  2010. 
 - 411p.p 
<br/><br/><label>ISBN: </label>9780230217812 
<br/><br/><label>Dewey Class. No.: </label>301  / CHU/T