Zimmermann, O. (2003). Escape by Troika: The World War II Chronicle of a Bessarabian German. Germans from Russia Heritage Collection.
Lua i Stíl Chicago (17ú heag.)Zimmermann, Oskar. Escape by Troika: The World War II Chronicle of a Bessarabian German. Fargo, North Dakota: Germans from Russia Heritage Collection, 2003.
Lua MLA (8ú heag.)Zimmermann, Oskar. Escape by Troika: The World War II Chronicle of a Bessarabian German. Germans from Russia Heritage Collection, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.