@book { SportsuchtErstellungeinesBetreuungskonzeptes,
    title = "Sportsucht - Erstellung eines Betreuungskonzeptes",
    author = "Marc {Schrake}",
    year = "2015",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/296766"
}