Werner, V., Seoane, E., & Su�arez G�omez, C. (2016). Re-assessing the present perfect. De Gruyter Mouton.
芝加哥风格引文Werner, Valentin, Elena Seoane, 与 Cristina Su�arez G�omez. Re-assessing the Present Perfect. Berlin, [Germany] ; Boston, Massachusetts: De Gruyter Mouton, 2016.
MLA引文Werner, Valentin, et al. Re-assessing the Present Perfect. De Gruyter Mouton, 2016.
警告：这些引文格式不一定是100％准确.