@unpublished{BantleonHornSchmidt2016,
  author  = {Ulrich Bantleon and Christoph Horn and Christoph Schmidt},
  title   = {Interne Revisionsfunktion: Angemessenheit und Wirksamkeit},
  institution = {Fakult{\"a}t Wirtschaft (W)},
  year    = {2016},
  language  = {de}
}