@book { PersonalentwicklungRolleundAufgabedesWissensmanagements,
    title = "Personalentwicklung: Rolle und Aufgabe des Wissensmanagements",
    author = "Jeanette {Petzold}",
    year = "2015",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/297770"
}