APA (7 वां संस्करण) प्रशस्ति पत्र

Great Britain. Foreign Office & Great Britain. Public Record Office. (1976). Foreign Office, African Department, General Correspondence from 1906. Public Record Office.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Great Britain. Foreign Office और Great Britain. Public Record Office. Foreign Office, African Department, General Correspondence from 1906. London: Public Record Office, 1976.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Great Britain. Foreign Office और Great Britain. Public Record Office. Foreign Office, African Department, General Correspondence from 1906. Public Record Office, 1976.