Academic Press, 1980
Buku Teks
edited by Ian R. Swingland and Paul J. Greenwood
Clarendon Press, 1983
Buku Teks
Yeates, N. T. M.
Pergamon Press, 1975
Buku Teks
Macfadyen, A.
Pitman Publishing Corporation, 1963
Buku Teks
Linden, Eugene, author
A Dutton Book, 1999
Buku Teks