Mugglestone, Lynda, author
Clarendon Press, 1995
Buku Teks
Hibbert, Christopher, author
Guild Publ., 1987
Buku Teks
edited by Reinhard Bendix and Seymour Martin Lipset
Free Press, 1966
Buku Teks
Kirkpatrick, Graeme, 1963-, author
Polity Press, 2013
Buku Teks
Tan, Giok-Lan, author
Cornell University, 1963
Buku Teks