@book{HartwigKanzSchoneetal.2010,
  author    = {Hartwig, Luise and Kanz, Christine and Schone, Reinhold and Wutzke, Stefan},
  title     = {Gruppenp{\"a}dagogik in der Heimerziehung},
  publisher = {Eigenverlag der IGfH},
  address   = {Frankfurt},
  year      = {2010},
  language  = {de}
}
@book{Schone2010,
  author    = {Schone, Reinhold},
  title     = {Handbuch Jugendhilfeplanung - Grundlagen, Anforderungen und Perspektiven},
  editor    = {Maykus, Stephan},
  edition   = {3. aktual. Aufl.},
  publisher = {VS Verlag},
  address   = {Wiesbaden},
  isbn      = {978-3-531-17039-8},
  pages     = {432},
  year      = {2010},
  language  = {de}
}
@book{SchoneKanzWutzke2010,
  author    = {Schone, Reinhold and Kanz, Christine and Wutzke, Stefan},
  title     = {Gruppenp{\"a}dagogik in der Heimerziehung},
  volume    = {32},
  editor    = {Hartwig, Luise},
  edition   = {1. Aufl.},
  publisher = {IGfH-Eigenverlag},
  address   = {Frankfurt/M.},
  isbn      = {978-3-925146-74-9},
  pages     = {176},
  year      = {2010},
  language  = {de}
}