Rosenberg, Marshall B..
Speak peace in a world of conflict: what you say next will change your world /
Marshall B. Rosenberg 
. - Encinitas : PuddleDancer Press,  2005 
. - ix, 198 p.  ill.  21 cm. 
<br/>К.: Бібліогр. : c. 175, Index 
<br/><label>  ISBN: </label>978-1-892005-17-5