Cita APA (7a ed.)

Filoco, L. (2004). Ultimate Portuguese: Beginner-intermediate (Content rev. and updated.). Living Language.

Cita Chicago Style (17a ed.)

Filoco, Lourdes. Ultimate Portuguese: Beginner-intermediate. Content rev. and updated. New York: Living Language, 2004.

Cita MLA (9a ed.)

Filoco, Lourdes. Ultimate Portuguese: Beginner-intermediate. Content rev. and updated. Living Language, 2004.