Kumar, G. W. W. a. R. Options for developing countries in mining development. Macmillan Press.
Citación estilo ChicagoKumar, Grantley W. Walrond and Raj. Options for Developing Countries in Mining Development. Macmillan Press.
Cita MLAKumar, Grantley W. Walrond and Raj. Options for Developing Countries in Mining Development. Macmillan Press.
Warning: These citations may not always be 100% accurate.