@book { AnlisisdialcticoprcticodelespaolandinodelPer,
    title = "Análisis dialéctico práctico del español andino del Perú",
    author = "Anja {Grimm}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656391029",
    url = "https://www.hausarbeiten.de/document/211015"
}