ebrary, Inc, & Enderle-Burcel, G. (2009). Gaps in the Iron Curtain: Economic relations between neutral and socialist countries in Cold War Europe. Jagiellonian University Press.
Chicago-referens (17:e uppl.)ebrary, Inc, och Gertrude Enderle-Burcel. Gaps in the Iron Curtain: Economic Relations Between Neutral and Socialist Countries in Cold War Europe. Krakow: Jagiellonian University Press, 2009.
MLA-referens (9:e uppl.)ebrary, Inc, och Gertrude Enderle-Burcel. Gaps in the Iron Curtain: Economic Relations Between Neutral and Socialist Countries in Cold War Europe. Jagiellonian University Press, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.