@book { VernderteKindheitimHinblickaufErziehungsnormen,
    title = "Veränderte Kindheit im Hinblick auf Erziehungsnormen",
    author = "Julia {Hanf}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656315223",
    url = "https://www.hausarbeiten.de/document/204439"
}