the date of this question was 01 Septembre 2013. The instructor send the references but it was too late for me to poste them.

the date of this question was 01 Septembre 2013. The instructor send the references but it was too late for me to poste them. I had already submit my paper, however, since since it was a 2 parts question I rate them globaly, but give a bonus for each response. She respond on septembre 2 at 10.04 am