Obtenga el síWilliam Ury, Roger Drummer Fisher, Bruce Patton, Aída Santapau · First published 2011Open the Tome
Como Chegar Ao SimRoger Drummer Fisher, William Ury, Bruce Patton · First published 2005 · Latest edition 2010Open the Tome
Evet - Boyun Egmeden Anlasmaya VarmakRoger Drummer Fisher, William Ury, Bruce Patton · First published 2008Open the Tome
Comment réussir une négociation. Nouvelle éditionWilliam Ury, Roger Drummer Fisher, Bruce Patton · First published 2006Open the Tome
L'arte del negoziatoRoger Drummer Fisher, William Ury, Bruce Patton · First published 2005Open the Tome
Das Harvard-KonzeptRoger Drummer Fisher, William Ury, Bruce Patton · First published 2004Open the Tome
