@book { DieRegelndesislamischenBankenwesensBankingnachderSharia,
    title = "Die Regeln des islamischen Bankenwesens: Banking nach der Sharia",
    author = "Matthias {Rickers}",
    year = "2015",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/297962"
}