Prosea Foundation, 2003
Buku Teks
Padovan, Richard, author
Routledge, 2002
Buku Teks
Itoh, Teiji, author
John Weatherhilt , 1967
Buku Referensi
Mattoso, Jose, author
Editorial Caminho, 2003
Buku Teks
Saraiva, Jose Hermano, author
Europa - America, , 2004
Buku Teks