อ้างอิง ของ ข้อ_231_ของสนธิสัญญาแวร์ซาย

  1. "The Allied and Associated Governments affirm and Germany accepts the responsibility of Germany and her allies for causing all the loss and damage to which the Allied and Associated Governments and their nationals have been subjected as a consequence of the war imposed upon them by the aggression of Germany and her allies."
  2. "Wilson: "Peace Without Victory"". คลังข้อมูลเก่า เก็บจาก แหล่งเดิม เมื่อ 2009-10-31. Unknown parameter |deadurl= ignored (help)
  3. Coffin, Judith G. and Robert C. Stacey. "The Second World War." Western Civilizations: From the Age of Exploration to the Present 15th ed. Vol. 2, 930-967
  4. Margaret MacMillan. Paris 1919: Six Months That Changed the World.