Zimmermann, O. (2003). Escape by Troika: The World War II Chronicle of a Bessarabian German. Germans from Russia Heritage Collection.
Chicago-referens (17:e uppl.)Zimmermann, Oskar. Escape by Troika: The World War II Chronicle of a Bessarabian German. Fargo, North Dakota: Germans from Russia Heritage Collection, 2003.
MLA-referens (8:e uppl.)Zimmermann, Oskar. Escape by Troika: The World War II Chronicle of a Bessarabian German. Germans from Russia Heritage Collection, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.