Simmons, J. L.  <br/><br/>
Issues In Participant Observation 
by J. L. Simmons. 
 - New York:  Addison-Wesley Publishing Company,   c1969. 
<br/><br/><label>ISBN: </label>978-0201070279. 
<br/><br/><label>LC Class. No.: </label>H62  / .S56 1969