Rujukan Karl_Liebknecht

  1. ↑ Annelies Laschitza, Die Liebknechts: Karl und Sophie – Politik und Familie, Berlin: Aufbau Taschenbuch, 2009
  2. ↑ "UNREST IN GERMANY". The Argus. Melbourne. 4 July 1916. m/s. 7. Dicapai pada 29 November 2012 – melalui National Library of Australia.
  3. ↑ Ottokar Luban, The Role of the Spartacist Group after 9 November 1918 and the Formation of the KPD, in: Ralf Hoffrogge and Norman LaPorte (eds.), Weimar Communism as Mass Movement 1918-1933, London: Lawrence & Wishart, 2017, pp. 45-65.
  4. ↑ H. Wohlgemuth, Karl Liebknecht, Dietz Verlag, 1975
  5. ↑ Bouton, Miles S. And the Kaiser Abdicates: The German Revolution 1914–1918. Yale University Press.
  6. ↑ Wette, Wolfram (2006). The Wehrmacht: History, Myth, Reality. Cambridge: Harvard University Press. m/s. 44. ISBN 0674022130.