Macas, E., & Ríos, M. Let´s learn english in a communicative way.
芝加哥风格引文Macas, Elizabeth, 与 María Ríos. Let´s Learn English in a Communicative Way.
MLA引文Macas, Elizabeth, 与 María Ríos. Let´s Learn English in a Communicative Way.
警告：这些引文格式不一定是100％准确.