@book { IchbinichIdentittsentwicklungimKindergarten,
    title = "Ich bin ich - Identitätsentwicklung im Kindergarten",
    author = "Katrin {Hillenbrand}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640940547",
    url = "https://www.hausarbeiten.de/document/173739"
}