Arnold, John, author
Prenctice-Hall, 1983
Buku Teks
Chadwick, Leslie, author
Prentice-Hall, 1991
Buku Teks
Nibbelin, Michael C., author
Prentice-Hall, 1996
Buku Teks
Kaplan, Robert S., author
Prentice-Hall, 1989
Buku Teks
edited by David Ashton, Trevor Hopper, Robert Scapens
Prentice-Hall, 1991
Buku Teks