Berridge,G R <br/><br/>
Diplomacy : Theory and Practice 

 - 6th edition. 
 - Switzerland:  Palgrave,  2022. 
 - 302p.; 
<br/><br/><label>ISBN: </label>9783030859305 
<br/><br/><label>Dewey Class. No.: </label>327.2 BER/D