Frederick III, G. E., Poschinger, M. L., & Welby, F. A. (1902). Diaries of the Emperor Frederick: During the campaigns of 1866 and 1870-71, as well as his journeys to the East and to Spain. Chapman & Hall, ld..
Chicago-referens (17:e uppl.)Frederick III, German Emperor, Margarete Landau Poschinger, och Frances A. Welby. Diaries of the Emperor Frederick: During the Campaigns of 1866 and 1870-71, as Well as His Journeys to the East and to Spain. London: Chapman & Hall, ld., 1902.
MLA-referens (8:e uppl.)Frederick III, German Emperor, et al. Diaries of the Emperor Frederick: During the Campaigns of 1866 and 1870-71, as Well as His Journeys to the East and to Spain. Chapman & Hall, ld., 1902.
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