Gray, Philip
Springer-Verlag, 1992
Buku Referensi
Scott, Joan E., author
John Wiley & Sons, 1982
Buku Teks
Foley, James D., author
Addison-Wesley, 1982
Buku Teks
Park, Chan S., author
Addison-Wesley , 1985
Buku Teks
Newman, William M., author
McGraw-Hill, 1979
Buku Teks