Hammersley, Martyn  <br/><br/>
Ethnography :   Principles and practice. 

 - London :   Tavistock,   1983.  
 - x, 273 p.  22 cm. 
<br/><br/><label>ISBN: </label>9780415045179 
<br/><br/><label>Dewey Class. No.: </label>306 H22e 1983