Brown, Martin C., author
Osborne/McGraw-Hill, 1999
Buku Referensi
Shammas, Namir Clement, 1954-, author
John Wiley & Sons, 1988
Buku Teks
Culwin, Fintan, author
Prentice-Hall, 1998
Buku Teks
Fiedler, David, author
Sams Publishing , 1993
Buku Teks
Wang, Gene
Osborne/McGraw-Hill, 1996
Buku Referensi