एपीए उद्धरण

Alok Kumar. Upkar's CSIR UGC NET/ JRF/ SET mathematical sciences. Upkar prakashan.

शिकागो स्टाइल उद्धरण

Alok Kumar. Upkar's CSIR UGC NET/ JRF/ SET Mathematical Sciences. Agra: Upkar prakashan.

एमएलए उद्धरण

Alok Kumar. Upkar's CSIR UGC NET/ JRF/ SET Mathematical Sciences. Upkar prakashan.