@book { ElespaoldeColombiaUnpanoramasociolingstico,
    title = "El español de Colombia. Un panorama sociolingüístico",
    author = "Anita {Glunz}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638457583",
    url = "https://www.hausarbeiten.de/document/49265"
}