Sachdeva, S. (2021). Competition Success Review Objective General knowledge. CST.
芝加哥风格引文Sachdeva, S.K. Competition Success Review Objective General Knowledge. New Delhi: CST, 2021.
MLA引文Sachdeva, S.K. Competition Success Review Objective General Knowledge. CST, 2021.
警告：这些引文格式不一定是100％准确.