Varadarajan, D. B., & Jeya Kumar, K. (1994). Economics of wind energy. Ashish.
Dyfyniad Arddull ChicagoVaradarajan, Dhulasi Birundha, and K.R Jeya Kumar. Economics of Wind Energy. New Delhi: Ashish, 1994.
Dyfyniad MLAVaradarajan, Dhulasi Birundha, and K.R Jeya Kumar. Economics of Wind Energy. Ashish, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.