Moore, E. S. (1947). Coal: Its properties, analysis, classification, geology, extraction, uses and distribution (2nd ed., 2nd printing.). John Wiley & Sons ; Chapman & Hall.
Cita Chicago Style (17a ed.)Moore, Elwood S. Coal: Its Properties, Analysis, Classification, Geology, Extraction, Uses and Distribution. 2nd ed., 2nd printing. New York : London: John Wiley & Sons ; Chapman & Hall, 1947.
Cita MLA (9a ed.)Moore, Elwood S. Coal: Its Properties, Analysis, Classification, Geology, Extraction, Uses and Distribution. 2nd ed., 2nd printing. John Wiley & Sons ; Chapman & Hall, 1947.
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