@book { MarktberichtundMaklerweseninBrasilien,
    title = "Marktbericht und Maklerwesen in Brasilien",
    author = "Lukas {Dickmann}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640913596",
    url = "https://www.hausarbeiten.de/document/171744"
}