Lewis, R. S. (1941). Elements of mining (2nd ed.). Wiley.
Citación estilo ChicagoLewis, Robert Strong. Elements of Mining. 2nd ed. New York: Wiley, 1941.
Cita MLALewis, Robert Strong. Elements of Mining. 2nd ed. Wiley, 1941.
Warning: These citations may not always be 100% accurate.