Brooks, Frederick P. Jr., author
John Wiley & Sons, 1969
Buku Teks
Adkinson, Leon
McGraw-Hill, 1973
Buku Teks
Khan, Emdad H., author
Oxford & IBH Publishing, 1987
Buku Teks
Shelly, Gary B., author
Anaheim Publishing, 1984
Buku Teks
Chandor, Anthony.
Penguin, 1985
Buku Referensi