Allen, N. C. (2020). Brass carriages and glass hearts. Shadow Mountain.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAllen, Nancy Campbell. Brass Carriages and Glass Hearts. Salt Lake City: Shadow Mountain, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAllen, Nancy Campbell. Brass Carriages and Glass Hearts. Shadow Mountain, 2020.
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