ebrary, Inc, Neeleman, A., & Vermeulen, R. (2012). The syntax of topic, focus, and contrast: An interface-based approach. De Gruyter Mouton.
芝加哥风格引文ebrary, Inc, Ad Neeleman, 与 Reiko Vermeulen. The Syntax of Topic, Focus, and Contrast: An Interface-based Approach. Berlin: De Gruyter Mouton, 2012.
MLA引文ebrary, Inc, et al. The Syntax of Topic, Focus, and Contrast: An Interface-based Approach. De Gruyter Mouton, 2012.
警告：这些引文格式不一定是100％准确.