Books

Negotiating the Nonnegotiable Negotiating the Nonnegotiable
2016
Beyond Reason Beyond Reason
2005
Building Agreement Building Agreement
2015
Erfolgreich verhandeln mit Gefühl und Verstand Erfolgreich verhandeln mit Gefühl und Verstand
2019
Verhandeln Verhandeln
2018

Audiobooks

Negotiating the Nonnegotiable: How to Resolve Your Most Emotionally Charged Conflicts (Unabridged) Negotiating the Nonnegotiable: How to Resolve Your Most Emotionally Charged Conflicts (Unabridged)
2016
Beyond Reason: Using Emotions as You Negotiate (Unabridged) Beyond Reason: Using Emotions as You Negotiate (Unabridged)
2005
Verhandeln : Die neue Erfolgsmethode aus Harvard Verhandeln : Die neue Erfolgsmethode aus Harvard
2018