Klein, T. B. (2000). "Umlaut" in optimality theory: A comparative analysis of German and Chamorro. Max Niemeyer Verlag.
芝加哥风格引文Klein, Thomas B. "Umlaut" in Optimality Theory: A Comparative Analysis of German and Chamorro. Tübingen: Max Niemeyer Verlag, 2000.
MLA引文Klein, Thomas B. "Umlaut" in Optimality Theory: A Comparative Analysis of German and Chamorro. Max Niemeyer Verlag, 2000.
警告：这些引文格式不一定是100％准确.