Bamford, J. The puzzle palace: Inside the National Security Agency, America's most secret intelligence organization / James Bamford. Surveillance Studies: A Reader.(2018).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBamford, James. "The Puzzle Palace: Inside the National Security Agency, America's Most Secret Intelligence Organization / James Bamford." Surveillance Studies: A Reader.(2018) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रBamford, James. "The Puzzle Palace: Inside the National Security Agency, America's Most Secret Intelligence Organization / James Bamford." Surveillance Studies: A Reader.(2018), .
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