DYSON PETER. (1989). MASTERING THE NORTON UTILITIES. BPB PUBLICATIONS.
芝加哥风格引文DYSON PETER. MASTERING THE NORTON UTILITIES. DELHI: BPB PUBLICATIONS, 1989.
MLA引文DYSON PETER. MASTERING THE NORTON UTILITIES. BPB PUBLICATIONS, 1989.
警告：这些引文格式不一定是100％准确.