@book { BeruflichesLerneninSchlerundJuniorenfirmen,
    title = "Berufliches Lernen in Schüler- und Juniorenfirmen",
    author = "Melanie {Hillebrand} and Silke {Tunat}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101593"
}