Ranny, Austin
Governing
Prentince-Hall, 1987
Buku Teks
Steane, John
Archaeology of the medieval English monarchy
Routledge, 1999
Buku Teks
Cook, Timothy E.
Governing with the news
The University of Chicago Press, 1997
Buku Teks
Atkins, Ruth
Governing Australia
John Wiley & Sons, 1980
Buku Teks
Atkins, Ruth
Governing Australia
"John Willey ,
Buku Teks