Raychaudhuri, S. P., & Raychaudhuri, S. P. (1963). Black soils of India. National Institute of Sciences of India.
Cita Chicago (17th ed.)Raychaudhuri, Satya Prasad, i Satya Prasad Raychaudhuri. Black Soils of India. New Delhi: National Institute of Sciences of India, 1963.
Cita MLA (8th ed.)Raychaudhuri, Satya Prasad, i Satya Prasad Raychaudhuri. Black Soils of India. National Institute of Sciences of India, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.