@book { DieEuroKriseinSpanienVerlaufundUrsachen,
    title = "Die Euro-Krise in Spanien. Verlauf und Ursachen",
    author = "Rresart {Krasniqi} and Yunus {Yilmaz}",
    year = "2016",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/351081"
}