Blackwood, G., Clancy, T., & Brick, S. (2016). Tom Clancy duty and honor (Unabridged.). Books on Tape ; Random House Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBlackwood, Grant, Tom Clancy, और Scott Brick. Tom Clancy Duty and Honor. Unabridged. [Westminster, MD] : New York: Books on Tape ; Random House Audio, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBlackwood, Grant, et al. Tom Clancy Duty and Honor. Unabridged. Books on Tape ; Random House Audio, 2016.
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