-
M.A.Kato,
``A theory of null object and the development of a Brazilian child grammar'',
``How tolerant is universal grammar: essays in language learnability and language variation'',
1_a Edição,
Editora: Niemeyer,
Pags 125-153,
Tübingen,
Alemanha Oriental,
(1994).
-
M.A.Kato,
``Metalinguistic reflections on code-switching'',
``Reflections on Language Learning'',
Editora: Multilingual Matters,
Pags 122-137,
Clevedon,
Reino Unido,
(1994).