Liulevicius, Vejas G. (2000). War Land on the Eastern Front: Culture, Identity, and German Occupation in World War I. Cambridge University Press, p. 54. [1] (页面存档备份,存于互联网档案馆)
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Liulevicius, Vejas G. (2000). War Land on the Eastern Front: Culture, Identity, and German Occupation in World War I. Cambridge University Press, p. 54. [1] (页面存档备份,存于互联网档案馆)