SINHA, R., & Sharma, N. L. (1976). Mineral economics (2nd ed.). Oxford & IBH.
Citación estilo ChicagoSINHA, R.K, and N. L. Sharma. Mineral Economics. 2nd ed. New Delhi: Oxford & IBH, 1976.
Cita MLASINHA, R.K, and N. L. Sharma. Mineral Economics. 2nd ed. Oxford & IBH, 1976.
Warning: These citations may not always be 100% accurate.