Dunmore, S., & Ballard, R. D. (2007). Lost Subs: By Spencer Dunmore ; introduction by Dr. Robert D. Ballard. Chartwell Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDunmore, Spencer, और Robert D. Ballard. Lost Subs: By Spencer Dunmore ; Introduction by Dr. Robert D. Ballard. Edison, New Jersey: Chartwell Books, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDunmore, Spencer, और Robert D. Ballard. Lost Subs: By Spencer Dunmore ; Introduction by Dr. Robert D. Ballard. Chartwell Books, 2007.
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