Asensio, Paco, author
Loft Pub., 1999
Buku Referensi
Powell, Robert, author
Periplus, 1999
Buku Referensi
Gluck, Peter L., author
Rockport Publishers, 1997
Buku Teks
Crosbie, Michael J., author
Rockport Publishers, 1998
Buku Teks
Crosbie, Michael J., author
Rockport Pub., 1998
Buku Teks