The diplomatic service list 1989
Her Majesty's Stationery Office, 1989
Buku Referensi
The diplomatic service list 1995
Her Majesty's Stationery Office, 1995
Buku Referensi
Denton, D. Keith
The service trainer handbook : managing service businesses in the 1990's
McGraw-Hill, 1992
Buku Referensi
Khan, Humayun
Diplomatic divide
Roli Book, 2004
Buku Teks SO
List of maps
1880
Buku Teks SO