oleh Alexandra Retno Wulan [and others]
Pacivis, 2006
Buku Teks
Artwick, Bruce A.
Prentice-Hall, 1980
Buku Teks
Dixey, Graham
Newnes, 1994
Buku Teks
Digital Equipment Corporation, 1971
Buku Referensi
Sargent III, Murray, author
Addison-Wesley, 1981
Buku Teks