Saito, Gen Takeshi
Shotenkenchiku-sha-Co, 1989
Buku Referensi
Casamassima, Christy
PBC International, 1998
Buku Teks
Cohen, Edie Lee
Cahners, 1984
Buku Teks
Asensio, Paco, editor
Loft, 2002
Buku Referensi
Cerver, Francisco Asensio
arco, 1998
Buku Referensi