Haffmann, S. Dead ends: American foreign policy in the new cold war. Ballinger Publishing.
Lua i Stíl Chicago (17ú heag.)Haffmann, Stanley. Dead Ends: American Foreign Policy in the New Cold War. Massachusetts: Ballinger Publishing.
Lua MLA (9ú heag.)Haffmann, Stanley. Dead Ends: American Foreign Policy in the New Cold War. Ballinger Publishing.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.