Ford, R. L. (2015). Black Cat 2-1: The true story of a Vietnam helicopter pilot and his crew. Brown Books Publishing Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFord, Robert Lloyd. Black Cat 2-1: The True Story of a Vietnam Helicopter Pilot and His Crew. Dallas, Texas: Brown Books Publishing Group, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFord, Robert Lloyd. Black Cat 2-1: The True Story of a Vietnam Helicopter Pilot and His Crew. Brown Books Publishing Group, 2015.
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