Zimmermann, O. (2003). Escape by Troika: The World War II Chronicle of a Bessarabian German. Germans from Russia Heritage Collection.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZimmermann, Oskar. Escape by Troika: The World War II Chronicle of a Bessarabian German. Fargo, North Dakota: Germans from Russia Heritage Collection, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रZimmermann, Oskar. Escape by Troika: The World War II Chronicle of a Bessarabian German. Germans from Russia Heritage Collection, 2003.
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