Civil service in wartime
edited by Leonard D. White
University of Chicago Press, 1945
 Buku Teks
Chapman, Richard A.
The higher civil service in britain
Constable, 1970
 Buku Teks
Chant, Bent
How to start a service business : the 21st century entrepreneur
Avon Books, 1994
 Buku Teks
The Civil service year book 1989
England. Cabinet Office
Her Majesty's Stationery Office, 1989
 Buku Referensi
The Civil service year book 1988
England. Cabinet Office
Her Majesty's Stationery Office, 1988
 Buku Referensi