Malhotra, R. (2008). Global Warming. Global Vision Publishing House.
Dyfyniad Arddull ChicagoMalhotra, Ravi. Global Warming. New Delhi: Global Vision Publishing House, 2008.
Dyfyniad MLAMalhotra, Ravi. Global Warming. Global Vision Publishing House, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.