@book { WaldorfpdagogikDerWaldorfkindergarten,
    title = "Waldorfpädagogik. Der Waldorfkindergarten",
    author = "Miriam {Federer}",
    year = "2008",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638072083",
    url = "https://www.hausarbeiten.de/document/93959"
}