@unpublished{JagodaLoeffel2009,
  author  = {Martha Jagoda and Marc L{\"o}ffel},
  title   = {Soziale Medien und Marken},
  institution = {Fakult{\"a}t Medien und Informationswesen (M+I) (bis 21.04.2021)},
  year    = {2009},
  language  = {de}
}