@book { SozialisationimGrundschulalter,
    title = "Sozialisation im Grundschulalter",
    author = "Annika {Schmidt}",
    year = "2007",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638818919",
    url = "https://www.hausarbeiten.de/document/76478"
}