Comfort, Nicholas
Brewer's politics : a phrase and fable dictionary
Cassell Publishers, 1993
 Buku Referensi
Brewer's dictionary of twentieth century phrase and fable
Cassell, 1993
 Buku Referensi
Phythian, B. A.
A concise dictionary of phrase and fable
Hodder & Stoughton, 1993
 Buku Referensi
Brewer, E. Cobham
Dictionary of phrase and fable
New York, Harper Brothers
 Buku Referensi
The Routledge dictionary of twentieth-century political thinkers
edited by Robert Benewick and Philip Green
Routledge , 1992
 Buku Teks SO