@book{Jansen2008,
  author    = {Jansen, Thomas},
  title     = {Kompakt-Training Personalcontrolling},
  edition   = {1. Aufl},
  publisher = {Kiehl},
  address   = {Ludwigshafen},
  isbn      = {9783470591414},
  pages     = {280},
  year      = {2008},
  language  = {mul}
}
@article{Jansen2009,
  author    = {Jansen, Thomas},
  title     = {Personalf{\"u}hrung},
  series = {Euroforum},
  volume    = {2. Auflage},
  journal   = {Euroforum},
  year      = {2009},
  language  = {mul}
}
@book{Jansen2008,
  author    = {Jansen, Thomas},
  title     = {Monatliche Kolumnen auf www.personalpraxis24.de seit August 2008},
  year      = {2008},
  language  = {mul}
}