APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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