Cohen, Allan <br/><br/>
Influence Without Authority/ 

 - 2nd ed. 
 - London  John Wiley  2005 
 - x,301p.;  ill.; 
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>0471463302 
<br/><br/><label>LC Class. No.: </label>HD58.9  / .C66 2005