@book { KapitalmarktundWirtschaftsprfer,
    title = "Kapitalmarkt und Wirtschaftsprüfer",
    author = "Markus {Ostrowski}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1096143"
}