The changing constitution
edited by Jeffrey Jowell and Dawn Oliver
Clarendon Press, 1994
 Buku Teks
Amery, L.S.
Thoughts on the constitution
Oxford University Press, 1953
 Buku Teks
Jennings, Ivor, Sir, 1903-1965
The Law and the constitution
Hodder and Stoughton, 1979
 Buku Teks
The changing constitution
edited Jeffrey Jowell and Dawn Oliver
Clarendon Press, 1989
 Buku Teks
Dickey, Albert Venn, 1835-1922
Introduction to the study of the law of the constitution
Macmillan, 1950
 Buku Teks