APA-čujuhus (7. p.)
Copeland, T. E. (2007). Fool me twice: Intelligence failure and mass casualty terrorism. Martinus Nijhoff.
Chicago-čujuhus (17. p.)
Copeland, Thomas E. Fool Me Twice: Intelligence Failure and Mass Casualty Terrorism. Leiden ; Boston: Martinus Nijhoff, 2007.
MLA-čujuhus (9. p.)
Copeland, Thomas E. Fool Me Twice: Intelligence Failure and Mass Casualty Terrorism. Martinus Nijhoff, 2007.
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