@book { InterneMarkenstrkevonBtoBUnternehmen,
    title = "Interne Markenstärke von B-to-B-Unternehmen",
    author = "Marco {Schmidt}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107182"
}