Great Britain. Foreign Office & Great Britain. Public Record Office. (1985). Political departments, general correspondence from 1906-1966 (FO 371), political Southern, general. Public Record Office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Great Britain. Foreign Office و Great Britain. Public Record Office. Political Departments, General Correspondence from 1906-1966 (FO 371), Political Southern, General. London: Public Record Office, 1985.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Great Britain. Foreign Office و Great Britain. Public Record Office. Political Departments, General Correspondence from 1906-1966 (FO 371), Political Southern, General. Public Record Office, 1985.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.