एपीए उद्धरण

Gupta, A., & Tomar, S. Upkar's CSIR-UGC NET/JRF/SET Physical sciences. Upkar Prakashan.

शिकागो स्टाइल उद्धरण

Gupta, Anshul, और Surekha Tomar. Upkar's CSIR-UGC NET/JRF/SET Physical Sciences. Agra: Upkar Prakashan.

एमएलए उद्धरण

Gupta, Anshul, और Surekha Tomar. Upkar's CSIR-UGC NET/JRF/SET Physical Sciences. Upkar Prakashan.