ALLSOP, J. (1990). Cassell's students' english grammar. Binarupa Aksara.
芝加哥风格引文ALLSOP, Jake. Cassell's Students' English Grammar. Jakarta: Binarupa Aksara, 1990.
MLA引文ALLSOP, Jake. Cassell's Students' English Grammar. Binarupa Aksara, 1990.
警告：这些引文格式不一定是100％准确.