Foreign and Commonwealth Office
Her Majesty's Stationery Office, 1986
Buku Referensi
Mansergh, Nicholas, author
Royal Institute Of International Affair, 1954
Buku Teks
edited by William Walsh
Clarendon Press, 1973
Buku Teks
Jennings, Ivor, Sir, 1903-1965, author
Clarendon Press, 1957
Buku Teks
Jennings, Ivor, Sir, 1903-1965, author
Clarendon Press, 1957
Buku Teks