edited by A.K. Cheetham and Peter Day
Clarendon Press, 1992
Buku Teks
edited by Peter G. Bruce
Cambridge University Press, 1997
Buku Teks
West, Anthony R., author
John Wiley & Sons, 2014
Buku Teks
Ladd, M.F.C., author
Ellis Horwood, 1979
Buku Teks
edited by P.J. Gelling and H.J.M. Bouwmeester
CRC Press, 1997
Buku Referensi