Close, F. E. (2015). Half-life: The divided life of Bruno Pontecorvo, physicist or spy. Basic Books, a member of the Perseus Books Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रClose, F. E. Half-life: The Divided Life of Bruno Pontecorvo, Physicist or Spy. New York, NY: Basic Books, a member of the Perseus Books Group, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रClose, F. E. Half-life: The Divided Life of Bruno Pontecorvo, Physicist or Spy. Basic Books, a member of the Perseus Books Group, 2015.
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