Hunt, Nigel, author
Glorier International, 1997
Buku Referensi
Forsyth, Patrick, author
Glorier International, 1999
Buku Referensi
Dobson, Ann, author
Glorier International Inc., 1999
Buku Referensi
Nicholls, Anne, author
Glorier International, 1999
Buku Referensi
Hunt, Nigel, author
Glorier International, 2001
Buku Referensi