National Security Archive (U.S.) & Chadwyck-Healey, Inc. U.S. espionage and intelligence: Organization, operations, and management.
Lua i Stíl Chicago (17ú heag.)National Security Archive (U.S.) agus Inc Chadwyck-Healey. U.S. Espionage and Intelligence: Organization, Operations, and Management.
Lua MLA (8ú heag.)National Security Archive (U.S.) agus Inc Chadwyck-Healey. U.S. Espionage and Intelligence: Organization, Operations, and Management.
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