@book{ title = "Bildung und Sprache", author = "Humboldt, Wilhelm von,Menze, Clemens", year = "1979", publisher = "Schöningh", address = "Paderborn", edition = "3. Aufl.", language = "ger", howpublished = "print", isbn = "3506783246", keywords = "Quelle", pages = "22 cm", series = "Schöninghs Sammlung pädagogischer Schriften", content = "Verlag", "Inhaltsverzeichnis", }