?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Oliver&rft.au=Oliver%2C+Martin&rft.aufirst=Martin&rft.tpages=15&rft.title=Playing+Roles+in+the+MMORPG+Kingdom+of+Loathing&rft.isbn=9781599048086+(hbk)%3B+9781599048116+(ebook)&rft.date=August+2008&rft.btitle=Handbook+of+Research+on+Effective+Electronic+Gaming+in+Education&rft.genre=bookitem