Ricci, Fred J.
Prentice Hall PTR, 1997
Buku Teks
Goodman, David J., author
Addison-Wesley , 1997
Buku Teks
Novia Andriani, author
2000
UI - Skripsi (Membership)
edited Theodore S. Rappaport [and others]
Kluwer Academic, 1997
Buku Teks
Garg, Vijay K.
Prentice-Hall, 1997
Buku Teks