@book { Sportmanagement,
    title = "Sportmanagement",
    subtitle = "Ein anwendungsorientiertes Lehrbuch mit Praxisbeispielen und Fallstudien",
    author = "Christian {Quirling} and Florian {Kainz} and Tobias {Haupt}",
    year = "2017",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1221284"
}