ebrary, Inc, & Thieroff, R. (1995). Tense systems in European languages. Max Niemeyer Verlag.
芝加哥风格引文ebrary, Inc, 与 Rolf Thieroff. Tense Systems in European Languages. Tübingen: Max Niemeyer Verlag, 1995.
MLA引文ebrary, Inc, 与 Rolf Thieroff. Tense Systems in European Languages. Max Niemeyer Verlag, 1995.
警告：这些引文格式不一定是100％准确.