Todd, P., & Bloch, J. (2003). Global intelligence: The world's secret services today. IBON Books.
Chicago-viite (17. p.)Todd, Paul, ja Jonathan Bloch. Global Intelligence: The World's Secret Services Today. Manila: IBON Books, 2003.
MLA-viite (9. p.)Todd, Paul, ja Jonathan Bloch. Global Intelligence: The World's Secret Services Today. IBON Books, 2003.
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