APA استشهاد

Diwan , P., & Kher , A. C. (2009). Energy law and policy. Pentagon Energy Press.

استشهاد بنمط شيكاغو

Diwan , Parag, و A. C. Kher. Energy Law and Policy. New Delhi: Pentagon Energy Press, 2009.

MLA استشهاد

Diwan , Parag, و A. C. Kher. Energy Law and Policy. Pentagon Energy Press, 2009.