Peter Cook [and others], editor
Wiley-Academy, 2001
Buku Teks
Cever, Francisco Asensio
Hongkong : Page One Publishing, 1996,
Buku Referensi
Cerver, Francisco Asensio, author
Page One, 1996
Buku Referensi
edited by Peter Cook, Nell Spiller
Academic Edition, 1999
Buku Teks
edited by Ismail Serageldin
Academy Editions, 1996
Buku Teks