Hazlehurst, C. (1971). Politicians at war, one of England's most important young historians, using newly available material, lays bare the immense power struggles of 1914 that took Great britain into the First World War, July 14 to May 15. New York: Alfred A. Knopf.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hazlehurst, Cameron. Politicians at War, One of England's Most Important Young Historians, Using Newly Available Material, Lays Bare the Immense Power Struggles of 1914 That Took Great Britain into the First World War, July 14 to May 15. New York: Alfred A. Knopf, 1971.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hazlehurst, Cameron. Politicians at War, One of England's Most Important Young Historians, Using Newly Available Material, Lays Bare the Immense Power Struggles of 1914 That Took Great Britain into the First World War, July 14 to May 15. New York: Alfred A. Knopf, 1971.