NISCAIR. (2001). The Wealth of India: A Dictionary of Indian Raw Materials and Industrial Products : First Suppliment Series : Raw Materials Vol 2 Cl-cy. CSIR.
Dyfyniad Arddull ChicagoNISCAIR. The Wealth of India: A Dictionary of Indian Raw Materials and Industrial Products : First Suppliment Series : Raw Materials Vol 2 Cl-cy. New Delhi: CSIR, 2001.
Dyfyniad MLANISCAIR. The Wealth of India: A Dictionary of Indian Raw Materials and Industrial Products : First Suppliment Series : Raw Materials Vol 2 Cl-cy. CSIR, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.