@article{MeierPieranskaPieranski2005,
  author    = {Meier, Bernd and Pieranska, Janina and Pieranski, Wladyslaw},
  title     = {Ksztaltowanie umiejetnosci zawodowych nauczyciela},
  isbn      = {83-7395-112-1},
  year      = {2005},
  language  = {pl}
}
@article{HolzendorfPieranski2005,
  author    = {Holzendorf, Ulf and Pieranski, Wladyslaw},
  title     = {Szkola wobec wymagan spoleczenstwa zmotoryzowanego},
  isbn      = {83-7395-116-4},
  year      = {2005},
  language  = {pl}
}
@book{Rheinberg2006,
  author    = {Rheinberg, Falko},
  title     = {Psychologia motywacji},
  publisher = {Wydawnictwo WAM},
  address   = {Krak{\´o}w},
  isbn      = {83-7318-640-9},
  pages     = {244 S.},
  year      = {2006},
  abstract  = {Polnische Ausgabe von "Motivation" 1. Aufl. 1995, 5. Aufl. 200},
  language  = {pl}
}
@periodical{OPUS4-9628,
  title     = {Studia politica germanica},
  publisher = {Wydzial Dziennikarstwa i Nauk Politycznych Uniwersytetu Warszawskiego},
  address   = {Warzawa},
  issn      = {2299-372X},
  language  = {pl}
}