Grogono, Peter
Addison-Wesley, 1978
Buku Teks
Tucker, Allen B.
Holt Rinehart and Winston, 1983
Buku Teks
Holt, R.C.
Reston Publishing, 1980
Buku Teks
Moore, Lawrie
Ellis Horwood Limited, 1980
Buku Teks
Sand, Paul A.
Osborne/McGraw-Hill, 1984
Buku Teks