SACHDERA S.K.D. (2006). COMPETITION SUCESS GENERAL KNOWLEDGE. COMBRIDGE UNI. PRESS.
芝加哥风格引文SACHDERA S.K.D. COMPETITION SUCESS GENERAL KNOWLEDGE. NEW DELHI: COMBRIDGE UNI. PRESS, 2006.
MLA引文SACHDERA S.K.D. COMPETITION SUCESS GENERAL KNOWLEDGE. COMBRIDGE UNI. PRESS, 2006.
警告：这些引文格式不一定是100％准确.