Bethencourt, Francisco
Temas E. Debates, 1998
Buku Referensi
Barreto, Luis Filipe
Imprensa Nacional, 1988
Buku Referensi
Jackson, K. David
Portuguese Pavilion Expo'98, 1997
Buku Teks
Chaunu, Pierre
North-Holland Publishing Co., 1979
Buku Teks
Arnold, David, author
Routledge, 1994
Buku Teks