Kroll, B. Second language writing, research insights for the classroom (5a ed.).
芝加哥风格引文Kroll, Barbara. Second Language Writing, Research Insights for the Classroom. 5a ed.
MLA引文Kroll, Barbara. Second Language Writing, Research Insights for the Classroom. 5a ed.
警告：这些引文格式不一定是100％准确.