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Dyfyniad Arddull ChicagoRangarajan Mahesh. Nature Without Borders. Noida: Orient BlackSwan, 2014.
Dyfyniad MLARangarajan Mahesh. Nature Without Borders. Orient BlackSwan, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.