Great Britain. Foreign Office & Great Britain. Public Record Office. (1981). Foreign Office and Foreign and Commonwealth Office: Embassy and Consulates, Union of Soviet Socialist Republics (formerly Russian Empire): General Correspondence. Public Record Office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Great Britain. Foreign Office و Great Britain. Public Record Office. Foreign Office and Foreign and Commonwealth Office: Embassy and Consulates, Union of Soviet Socialist Republics (formerly Russian Empire): General Correspondence. London: Public Record Office, 1981.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Great Britain. Foreign Office و Great Britain. Public Record Office. Foreign Office and Foreign and Commonwealth Office: Embassy and Consulates, Union of Soviet Socialist Republics (formerly Russian Empire): General Correspondence. Public Record Office, 1981.