Books by William Ury
art de Négocier Avec les Gens
art de Négocier Avec les Gens Difficiles
Book of Real-World Negotiation
Book of Real-World Negotiations
Getting to yes with yourself
Getting to Yes with Yourself a
Getting to Yes with Yourself and Other Worthy Opponents
Getting to Yes with Yourself CD
Obtenga El Si Consigo Mismo
Como Chegar Ao Sim
Nein sagen und trotzdem erfolgreich verhandeln
Odchodząc od NIE
Evet - Boyun Egmeden Anlasmaya Varmak
El Poder De Un No Positivo/ the Power of a Positive No
The Power of a Positive No
Comment réussir une négociation. Nouvelle édition
L'arte del negoziato
Das Harvard-Konzept
Must we fight?
Third side studies
Third side studies
Alcanzar La Paz
Getting disputes resolved
Beyond the hotline