Lockwood, A. H. (2012). The silent epidemic: Coal and the hidden threat to health. MIT Press.
Tohutoru Kātū Chicago (17th ed.)Lockwood, Alan H. The Silent Epidemic: Coal and the Hidden Threat to Health. Cambridge, Mass.: MIT Press, 2012.
Tohutoro MLA (9th ed.)Lockwood, Alan H. The Silent Epidemic: Coal and the Hidden Threat to Health. MIT Press, 2012.
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