Lip, Evelyn, author
Times Book International , 1995
Buku Teks
Skinner, Stephen, author
Dahara Prize, 2002
Buku Teks
Skinner, Stephen, author
Parragon, 1997
Buku Referensi
Lip, Evelyn, author
Times Books International , 1995
Buku Teks
Dy, Victor L., author
Elex Media Komputindo, 1997
Buku Teks