Sawhney,g.s. (2012). Non-conventional energy resources. PHI learning pvt.
Citación estilo ChicagoSawhney,g.s. Non-conventional Energy Resources. Delhi: PHI learning pvt, 2012.
Cita MLASawhney,g.s. Non-conventional Energy Resources. PHI learning pvt, 2012.
Warning: These citations may not always be 100% accurate.