Sachdeva, S. (2021). Competition Success Review Objective General knowledge. CST.
Chicago-referens (17:e uppl.)Sachdeva, S.K. Competition Success Review Objective General Knowledge. New Delhi: CST, 2021.
MLA-referens (9:e uppl.)Sachdeva, S.K. Competition Success Review Objective General Knowledge. CST, 2021.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.