Thomas, E. A. (2012). Coal in Our Veins: A Personal Journey. Utah State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThomas, Erin Ann. Coal in Our Veins: A Personal Journey. Utah State University Press, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThomas, Erin Ann. Coal in Our Veins: A Personal Journey. Utah State University Press, 2012.
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