@book { NetzbasiertesOutsourcinginkleinenundmittlerenUnternehmen,
    title = "Netzbasiertes Outsourcing in kleinen und mittleren Unternehmen",
    author = "Roger {Nolting}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101070"
}