@book { VergleichendeAnalysevonRolandSchimmelpfennigsDramenVorherNachherundPushUp13,
    title = "Vergleichende Analyse von Roland Schimmelpfennigs Dramen Vorher/Nachher und Push Up 1-3",
    author = "Melitta {Töller}",
    year = "2003",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638192842",
    url = "https://www.hausarbeiten.de/document/13706"
}