edited by Derek P. Atherton, Pierre Borne
Pergamon Press, 1992
Buku Referensi
edited by M.H. Hamza
LASTED. ACTA Press, 1996
Buku Teks
Hutchinson, 1959
Buku Referensi
editors, Donald D. Carr, Norman Herz
Pergamon Press, 1989
Buku Referensi
Beckett, Kenneth A., author
Grolier International, 1984
Buku Referensi