@book { PreismanagementvonKonsumgterherstellern,
    title = "Preismanagement von Konsumgüterherstellern",
    author = "Frank {Breitschwerdt}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107913"
}