@book{HaubrockOehlschlegelHaubrock2009,
  author    = {Alexander Haubrock and Sonja {\"O}hlschlegel-Haubrock},
  title     = {Personalmanagement},
  edition   = {2. Aufl.},
  isbn      = {978-3-17-20766-0},
  year      = {2009},
}