@book { EinfhrungindasInternationaleSteuerrecht,
    title = "Einführung in das Internationale Steuerrecht",
    subtitle = "Ein fallbasiertes Lehrbuch",
    author = "Adrian {Cloer}",
    year = "2026",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1706687"
}