Sawatsky, W. (2005). Mission in the former Soviet Union. Neufeld Verl.
芝加哥风格引文Sawatsky, Walter. Mission in the Former Soviet Union. Schwarzenfeld: Neufeld Verl, 2005.
MLA引文Sawatsky, Walter. Mission in the Former Soviet Union. Neufeld Verl, 2005.
警告：这些引文格式不一定是100％准确.