@book { LeadershipbyGameofThrones,
    title = "Leadership by Game of Thrones",
    author = "Mark {Hübner-Weinhold} and Manfred {Klapproth} and Jörg {Dommel}",
    year = "2019",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1219120"
}