Moore, Lawrie, author
Ellis Horwood Limited, 1980
Buku Teks
Grogono, Peter, author
Addison-Wesley, 1978
Buku Teks
Tucker, Allen B., author
Holt Rinehart and Winston, 1983
Buku Teks
Holt, R.C., author
Reston Publishing, 1980
Buku Teks
Lewis, T.G. (Theodore Gyle), author
Reston Publishing, 1981
Buku Teks