?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Poumar%C3%A8de&rft.aufirst=Matthieu&rft.date=2011&rft.isbn=978-2-7076-1540-4&rft.btitle=Droit+des+obligations+%3A+cours+et+travaux+dirig%C3%A9s&rft.tpages=840&rft.genre=book