Shulsky, Abram N. <br/><br/>
Silent warfare :  understanding the world of intelligence / 
Abram N. Shulsky, Gary J. Schmitt. 
 - 3rd ed., rev. 
 - Washington, D.C. :  Brassey's, Inc.  2002. 
 - xiii, 247 p. ;  23 cm. 
<br/><br/>Includes bibliographical references : (p. 177-236) and index. 
<br/><br/><label>ISBN: </label>1574883453 (pbk.)  RM137.81 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligence service.<br/>Intelligence service--United States.