एपीए उद्धरण

Gupta, M., & Gupta,Deepa. (2011). Research methodology. PHI learning.

शिकागो स्टाइल उद्धरण

Gupta, Mukul, और Gupta,Deepa. Research Methodology. New Delhi: PHI learning, 2011.

एमएलए उद्धरण

Gupta, Mukul, और Gupta,Deepa. Research Methodology. PHI learning, 2011.