Eckersley, C. E. (1960). A comprehensive English grammar for foreign students. Longmans.
芝加哥风格引文Eckersley, Charles Ewart. A Comprehensive English Grammar for Foreign Students. London: Longmans, 1960.
MLA引文Eckersley, Charles Ewart. A Comprehensive English Grammar for Foreign Students. Longmans, 1960.
警告：这些引文格式不一定是100％准确.