@book{Rieg2019,
  author    = {Robert Rieg},
  title     = {Controlling},
  edition   = {3. Auflage},
  publisher = {Books on Demand},
  address   = {Norderstedt},
  isbn      = {9783741271991},
  pages     = {429},
  year      = {2019},
  language  = {de}
}