Richards, J. H. (2018). The life and times of Patsy Clark: Mining pioneer. Gray Dog Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRichards, John H. The Life and Times of Patsy Clark: Mining Pioneer. [Spokane, WA]: Gray Dog Press, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRichards, John H. The Life and Times of Patsy Clark: Mining Pioneer. Gray Dog Press, 2018.
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