Lewis, R. S. (1933). Elements of mining. J. Wiley & sons, inc. ; Chapman & Hall, limited.
芝加哥风格引文Lewis, Robert Strong. Elements of Mining. New York, : London,: J. Wiley & sons, inc. ; Chapman & Hall, limited, 1933.
MLA引文Lewis, Robert Strong. Elements of Mining. J. Wiley & sons, inc. ; Chapman & Hall, limited, 1933.
警告：这些引文格式不一定是100％准确.