@book{Breidenbach2014,
  author    = {Breidenbach, Karin},
  title     = {Jahresabschluss kompakt},
  publisher = {de Gruyter},
  address   = {Berlin},
  isbn      = {978-3-486-76371-3},
  pages     = {XII, 130},
  year      = {2014},
  language  = {de}
}
@book{BreidenbachW{\"a}hrisch2016,
  author    = {Breidenbach, Karin and W{\"a}hrisch, Michael},
  title     = {Umsatzerl{\"o}se},
  publisher = {NWB},
  address   = {Herne},
  isbn      = {978-3-482-66641-4},
  pages     = {246},
  year      = {2016},
  language  = {de}
}
@book{Breidenbach2017,
  author    = {Breidenbach, Karin},
  title     = {Buchhaltung und Jahresabschluss kompakt},
  edition   = {4., erweiterte und aktualisierte Auflage},
  publisher = {De Gruyter Oldenbourg},
  address   = {Berlin ; Boston},
  isbn      = {978-3-11-055072-6},
  pages     = {XIV, 203},
  year      = {2017},
  language  = {de}
}