APA (7 ম সংস্করণ) উদ্ধৃতি

Koch, S. (1994). Double lives: Spies and writers in the secret Soviet war of ideas against the west. Maxwell.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Koch, Stephen. Double Lives: Spies and Writers in the Secret Soviet War of Ideas Against the West. New York [u.a.]: Maxwell, 1994.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Koch, Stephen. Double Lives: Spies and Writers in the Secret Soviet War of Ideas Against the West. Maxwell, 1994.