Zuber, R. (1983). Non-declarative sentences. J. Benjamins Pub. Co..
芝加哥风格引文Zuber, R. Non-declarative Sentences. Amsterdam ; Philadelphia: J. Benjamins Pub. Co., 1983.
MLA引文Zuber, R. Non-declarative Sentences. J. Benjamins Pub. Co., 1983.
警告：这些引文格式不一定是100％准确.