Abel, E. (1990). The shattered bloc: Behind the upheaval in Eastern Europe. Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Abel, Elie. The Shattered Bloc: Behind the Upheaval in Eastern Europe. Boston: Houghton Mifflin, 1990.
Lua MLA (9ú heag.)Abel, Elie. The Shattered Bloc: Behind the Upheaval in Eastern Europe. Houghton Mifflin, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.