Blom, E., Craats-Oosterwold, I. v. d., & Verhagen, J. (2013). Dummy auxiliaries in first and second language acquisition. De Gruyter Mouton.
芝加哥风格引文Blom, Elma, Ineke va de Craats-Oosterwold, 与 Josje Verhagen. Dummy Auxiliaries in First and Second Language Acquisition. Boston: De Gruyter Mouton, 2013.
MLA引文Blom, Elma, et al. Dummy Auxiliaries in First and Second Language Acquisition. De Gruyter Mouton, 2013.
警告：这些引文格式不一定是100％准确.