?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Leah&rft.aulast=Anderson&rft.au=Anderson%2C+Leah&rft.title=Purchase+on+Demand&rft.date=2011&rft.genre=proceeding