एपीए उद्धरण

Sachdeva, S. K. (1983). GKTD: General knowledge including topics of the day. New Delhi.

शिकागो स्टाइल उद्धरण

Sachdeva, S. K. GKTD: General Knowledge Including Topics of the Day. Competition review: New Delhi, 1983.

एमएलए उद्धरण

Sachdeva, S. K. GKTD: General Knowledge Including Topics of the Day. New Delhi, 1983.