Sapp, C. D. (2011). The verbal complex in subordinate clauses from medieval to modern German. John Benjamins Pub. Co..
芝加哥风格引文Sapp, Christopher D. The Verbal Complex in Subordinate Clauses from Medieval to Modern German. Amsterdam ; Philadelphia: John Benjamins Pub. Co., 2011.
MLA引文Sapp, Christopher D. The Verbal Complex in Subordinate Clauses from Medieval to Modern German. John Benjamins Pub. Co., 2011.
警告：这些引文格式不一定是100％准确.