Keith, P., & Hill, D. (2012). Blackhorse riders: A desperate last stand, an extraordinary rescue mission, and the vietnam battle america forgot (Unabridged.). Tantor Media.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKeith, Philip, और Dick Hill. Blackhorse Riders: A Desperate Last Stand, an Extraordinary Rescue Mission, and the Vietnam Battle America Forgot. Unabridged. Old Saybrook: Tantor Media, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKeith, Philip, और Dick Hill. Blackhorse Riders: A Desperate Last Stand, an Extraordinary Rescue Mission, and the Vietnam Battle America Forgot. Unabridged. Tantor Media, 2012.
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