ECKERSLEY, C. (1979). A concise english grammar for foreign students. Longman.
芝加哥风格引文ECKERSLEY, C.E. A Concise English Grammar for Foreign Students. London: Longman, 1979.
MLA引文ECKERSLEY, C.E. A Concise English Grammar for Foreign Students. Longman, 1979.
警告：这些引文格式不一定是100％准确.