Soni, P. (1996). Energy and environmental challenges in central Asia and the caucasus. Tata Energy Research Institute.
استشهاد بنمط شيكاغوSoni, Preeti. Energy and Environmental Challenges in Central Asia and the Caucasus. New Delhi: Tata Energy Research Institute, 1996.
MLA استشهادSoni, Preeti. Energy and Environmental Challenges in Central Asia and the Caucasus. Tata Energy Research Institute, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.