Wilkes, Peter, author
Peter Wilkes, 1978
Buku Teks
Porter, Philip, author
Haynes, 1995
Buku Referensi
Singh, Khuswant, author
Oxford University Press, 2006
Buku Teks
edited by Geoffrey Parker
Cambridge University Press, 1995
Buku Referensi
editor, John Prest
Oxford University Press, 1993
Buku Referensi