TY  - BOOK
AU  - Ury,William
AU  - chemla,paul
TI  - Comment dire non: savoir refuser sans offenser
SN  - 9782915236705
AV  - BF637.N4 U795 2007
PY  - 2007///
CY  - Paris
PB  - Nouveaux Horizons
KW  - Negotiation
N1  - American Window; Includes index
ER  -