एपीए उद्धरण

Sanjay Gupta. Upkar's science talent and olympiad examination. Upkar Prakashan.

शिकागो स्टाइल उद्धरण

Sanjay Gupta. Upkar's Science Talent and Olympiad Examination. Agra: Upkar Prakashan.

एमएलए उद्धरण

Sanjay Gupta. Upkar's Science Talent and Olympiad Examination. Upkar Prakashan.