Lewis, R. S. (1941). Elements of mining (2nd ed.). Wiley.
Chicago Style (17th ed.) CitationLewis, Robert Strong. Elements of Mining. 2nd ed. New York: Wiley, 1941.
MLA citiranjeLewis, Robert Strong. Elements of Mining. 2nd ed. Wiley, 1941.
Opozorilo: Ti citati niso vedno 100% točni.