APA aipamena

Varadarajan,Dhulasi Birundha. (1993). Energy economics. Sterling Publishers Pvt Ltd.

Chicago Style aipamena

Varadarajan,Dhulasi Birundha. Energy Economics. New Delhi: Sterling Publishers Pvt Ltd, 1993.

MLA aipamena

Varadarajan,Dhulasi Birundha. Energy Economics. Sterling Publishers Pvt Ltd, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.