Jones, Oliver, author
Prentice-Hall, 1989
Buku Teks
Coffin, Stephen, author
Osborne/McGraw-Hill, 1986
Buku Teks
Coffin, Stephen, author
Osborne/McGraw-Hill, 1990
Buku Teks
Southerton, Alan
John Wiley & Sons, 1994
Buku Referensi
Heckel, Paul, author
Sybex, 1991
Buku Teks