@book { FinanzierungsmodellevonNonprofitOrganisationeninTheorieundPraxis,
    title = "Finanzierungsmodelle von Nonprofit Organisationen in Theorie und Praxis",
    author = "Henning {Rohweder}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832485719",
    url = "https://m.diplom.de/document/223769"
}