The journey
Brunei Press Sdn Bhd, 1999
Buku Referensi
Baker, Russell
An American in Washington
Alfred A. Knopf, 1961
Buku Teks SO
Casen, Douglass
Power in Washington
Vintage, 1964
Buku Teks
O`Hanlon, Redmond
Congo journey
Penguin Books, 1996
Buku Teks SO
Forster, Edward Morgan, 1879-1970
Longest journey
Vintage Books, 1962
Buku Teks