OECD, Feb. 2010. http://www.olis.oecd.org/olis/2007doc.nsf/ENGDATCORPLOOK/NT0000FEDE/$FILE/JT03278398.PDF.
OCDE, février 2010. http://www.olis.oecd.org/olis/2007doc.nsf/ENGDATCORPLOOK/NT0000FEDE/$FILE/JT03278398.PDF.