@book { DieBedeutungvonVertraueninderTeamarbeit,
    title = "Die Bedeutung von Vertrauen in der Teamarbeit",
    author = "Nicole {Krüger}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/226526"
}