एपीए उद्धरण

Soni, P. (1996). Energy and environmental challenges in central Asia and the caucasus. Tata Energy Research Institute.

शिकागो स्टाइल उद्धरण

Soni, Preeti. Energy and Environmental Challenges in Central Asia and the Caucasus. New Delhi: Tata Energy Research Institute, 1996.

एमएलए उद्धरण

Soni, Preeti. Energy and Environmental Challenges in Central Asia and the Caucasus. Tata Energy Research Institute, 1996.