@book { FundraisingvonNonprofitOrganisationen,
    title = "Fundraising von Nonprofit-Organisationen",
    author = "Julius {Stucke}",
    year = "2008",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638010573",
    url = "https://www.hausarbeiten.de/document/87073"
}