Blanche, Patrick, author
CLE International, 1991
Buku Teks
Benard, Jean-Paul
Linguatech , 1979
Buku Teks
Chamberlan, Alan, author
Didier, 1991
Buku Teks
Costa, Jean Paul
Les Editions S.T.H., 1988
Buku Teks
Comissao Nacional Para As Comemoracoes Dos Descoberinentos Portugueses Portugal ; editor, Ana Maria Rodrigues
Comissao Nacional Para As Comemoracoes Dos Descoberinentos Portugueses, 2001
Buku Referensi