ebrary, Inc, Lutz, U., & Pafel, J. (1995). On extraction and extraposition in German. John Benjamins Pub. Co..
芝加哥风格引文ebrary, Inc, Uli Lutz, 与 Jürgen Pafel. On Extraction and Extraposition in German. Amsterdam ; Philadelphia: John Benjamins Pub. Co., 1995.
MLA引文ebrary, Inc, et al. On Extraction and Extraposition in German. John Benjamins Pub. Co., 1995.
警告：这些引文格式不一定是100％准确.