?url_ver=Z39.88-2004&rft_id=2934675&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Pietil%C3%A4&rft.au=+Pietil%C3%A4+P%C3%A4ivi&rft.aufirst=P%C3%A4ivi&rft.date=2015&rft.title=Introduction&rft.isbn=978-1-4438-8022-0&rft.btitle=Lexical+issues+in+L2+writing&rft.genre=bookitem