Denzin, Norman K. <br/><br/>
The research act :  a theoretical introduction to sociological methods / 
Norman K. Denzin. 
 - 3rd. ed. 
 - Englewood Cliffs, N.J.  Prentice-Hall  1989. 
 - 306 p. ;  23 cm. 
<br/><br/>Includes index and p. 271-293. 
<br/><br/><label>ISBN: </label>0137743815 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology--Methodology.<br/>Sociology--Research.