Basheer Graphic Books, 2007
Buku Referensi
Gluck, Peter L., author
Rockport Publishers, 1997
Buku Teks
King's Crown Press, 1948
Buku Teks
Crosbie, Michael J., author
Rockport Publishers, 1998
Buku Teks
Crosbie, Michael J., author
Rockport Pub., 1998
Buku Teks