Denzin, Normann K. <br/><br/>
sage handbook of Quanlitative research / 
by Norman k. denzin and Yvonna S. Lincoln 
 - 3rd ed. 
 - USA :  Sage publication,  2005. 
 - xix, 1210p. 
<br/><br/><label>ISBN: </label>978 0 7619 2757 0 
<br/><br/><label>Dewey Class. No.: </label>Mz:f  / P5