@book { FrderungderSchriftspracheimKindergarten,
    title = "Förderung der Schriftsprache im Kindergarten",
    author = "Matias {Esser}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/281377"
}