Mashelkar,R. (2003). Wealth of India: Dictionary of Indian raw materials and industrial products: Vol 4.
Cita Chicago (17th ed.)Mashelkar,R. Wealth of India: Dictionary of Indian Raw Materials and Industrial Products: Vol 4. New Delhi, 2003.
Cita MLA (9th ed.)Mashelkar,R. Wealth of India: Dictionary of Indian Raw Materials and Industrial Products: Vol 4. 2003.
Atenció: Aquestes cites poden no estar 100% correctes.