Lacy-Thomson, Tany
Prentice-Hall, 1991
Buku Referensi
Coffin, Stephen, author
Osborne/McGraw-Hill, 1990
Buku Teks
Fisher, Maydene, author
addison-Wesley, 2003
Buku Teks
Coffin, Stephen, author
Osborne/McGraw-Hill, 1986
Buku Teks
Hamilton, Graham, author
Addison-Wesley, 1997
Buku Teks