@incollection{Wortmann2014,
  author    = {Wortmann, Rolf},
  title     = {Warum tun sie es?" Anmerkungen zu einer neuen Studie zu den Motiven b{\"u}rgerschaftlichen Engagements},
  booktitle = {Jahrbuch f{\"u}r Management in Nonprofit-Organisationen 2014},
  isbn      = {978-3-643-12740-2},
  institution = {Fakult{\"a}t WiSo},
  pages     = {191 -- 194},
  year      = {2014},
  language  = {de}
}