Cave, Frank E., author
Reston Publishing, 1981
Buku Teks
Hall, Douglas V., author
McGraw-Hill, 1983
Buku Teks
Hall, Douglas V., author
Gregg Division, McGraw-Hill, 1983
Buku Teks
McKay, Charles W., author
Prentice-Hall, 1978
Buku Teks
Bignell, James, author
McGraw-Hill, 1985
Buku Teks