Barefoot, J. Kirk. <br/><br/>
Undercover investigation / 
J. Kirk Barefoot ; with a foreword by V.A. Leonard. 
 - 2nd ed. 
 - Boston :  Butterworths,  c1983. 
 - xiii, 130 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographical references (p. 125-126) and index. 
<br/><br/><label>ISBN: </label>0409950769 
<br/><br/><label>LCCN: </label>82-014704 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Undercover operations.
<br/><br/><label>Dewey Class. No.: </label>363.232 BAR