Main group 1

• Fisher, Roger; Ury, William; Patton, Bruce, Getting to yes: negotiating an agreement without giving in, 2. ed., London, Century Business, 1991Compulsory* (Or a later edition)
• Lewicki, Roy J.; Saunders, David M.; Barry, Bruce, Negotiation, Seventh edition., New York, NY, McGraw-Hill Education, [2015]Compulsory*

* Compulsory