Todd, P., & Bloch, J. (2003). Global intelligence: The world's secret services today. IBON Books.
Lua i Stíl Chicago (17ú heag.)Todd, Paul, agus Jonathan Bloch. Global Intelligence: The World's Secret Services Today. Manila: IBON Books, 2003.
Lua MLA (9ú heag.)Todd, Paul, agus Jonathan Bloch. Global Intelligence: The World's Secret Services Today. IBON Books, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.