@book { MarkenorientierungbeiKindernundJugendlichen,
    title = "Markenorientierung bei Kindern und Jugendlichen",
    author = "Carolin {Broll}",
    year = "1999",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832412630",
    url = "https://m.diplom.de/document/217177"
}