Oxford University Press , 1988
Buku Teks
Burrow, J.A., author
BlackWell Publishing, 2004
Buku Teks
Ker, W.P. (William Paton), 1855-1923, author
Oxford University Press, 1948
Buku Teks
Peter Brown, editor
Blackwell Publishing, 2007
Buku Teks
Coote, Stephen, author
Penguin Group, 1988
Buku Teks