edited by S.P. Banks and A.J. Pritchard
Pergamon Press, 1978
Buku Teks
Academic Press, 2013
eBooks
Watson, W.C.R., author
At The University Press, 2013
Buku Teks
Philip, George, author
George Philip and Son, 1983
Buku Referensi
Campion, H., author
Oxford University Press, 1939
Buku Teks