@book { SchuldrechtlicheAbspracheninderGmbH,
    title = "Schuldrechtliche Absprachen in der GmbH",
    author = "Patricia {Milch}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097785"
}