Office of the Secretary of State for Information and Tourism, [date of publication not identified]
Buku Teks
by Jose Saramago ... [and oters] ; edited by Mike Gerrard and Thomas McCarthy
Passport, 1994
Buku Teks
Mattoso, Jose
Editorial Caminho, 2003
Buku Teks
Birmingham, David
Cambridge University Press, 1993
Buku Teks
Livermore, H.V.
Cambridge University Press, 1969
Buku Teks