@Book{christensen2013ashgate,

  title  = {The Ashgate research companion to new public management},

  year   = {2013},
  number = {},
  url    = {http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=020792138&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA},

  const  = {\ text}
}
@Electronic{parmenter2012performance,
  author = {Parmenter, David},
  title  = {Key Performance Indicators for Government and Non Profit Agencies : Implementing Winning KPIs},

  year   = {2012},
  number = {},
  url    = {},

  const  = {\ text}
}
@Book{pollitt2011public,
  author = {Pollitt, Christopher and Bouckaert, Geert},
  title  = {Public management reform : a comparative analysis},

  year   = {2011},
  number = {},
  url    = {http://scans.hebis.de/HEBCGI/show.pl?26942502_toc.pdf},

  const  = {\ text}
}
@Book{rosen2010public,
  author = {Rosen, Harvey S. and Gayer, Ted},
  title  = {Public finance},

  year   = {2010},
  number = {},
  url    = {http://scans.hebis.de/HEBCGI/show.pl?21604235_bio.html},

  const  = {\ text}
}
@Misc{rosen2010public,
  author = {Rosen, Harvey S. and Gayer, Ted and Rosen, Harvey S. and Gayer, Ted},
  title  = {Public finance},
  journal = {The McGraw-Hill series economics},
  year   = {2010},
  number = {},
  url    = {},

  const  = {\ text}
}
@Book{vandooren2010performance,
  author = {Van Dooren, Wouter and Bouckeart, Geert and Halligan, John},
  title  = {Performance management in the public sector},

  year   = {2010},
  number = {},
  url    = {http://scans.hebis.de/HEBCGI/show.pl?25094700_aub.html},

  const  = {\ text}
}
@Book{walker2010public,

  title  = {Public management and performance : research directions},

  year   = {2010},
  number = {},
  url    = {http://scans.hebis.de/HEBCGI/show.pl?22838529_toc.pdf},

  const  = {\ text}
}
@Book{bouckaert2008managing,
  author = {Bouckaert, Geert and Halligan, John},
  title  = {Managing performance : international comparisons},

  year   = {2008},
  number = {},
  url    = {http://scans.hebis.de/HEBCGI/show.pl?19904780_toc.pdf},

  const  = {\ text}
}