Adri Boon, Kosmos miniwoordenboek Portugees Nederlands Nederlands Portugees, Groningen, Wolters Noordhoff 1987, 1e druk Van Reemst Uitgeverij Houten, Capitool Taalgidsen Portugees, 2009, 4e druk
Andrade Peres, J. Aizawa Kato, M. (2004) Journal of Portuguese linguistics, Volume 3, Nummer 1, Edições Colibri
Morais, J. Castro, S.L. Journal of Portuguese linguistics, Volume 9, Nummer 2, 2010
Morais, J. Castro, S.L. Journal of Portuguese linguistics, Volume 10, Nummer 1, 2011
Costa, J. (2000) Portuguese Syntax. Oxford University Press
Braziliaans Portugees
Matos, G, Gonçalves, A. (2008) Journal of Portuguese linguistics, Volume 7, Nummer 2, Edições Colibri.
Elordieta, G. Vigario, M. (2006) Journal of Portuguese linguistics, Volume 5, Nummer 2, Edições Colibri.
Elordieta, G. Vigario, M. (2006) Journal of Portuguese linguistics, Volume 6, Nummer 1, Edições Colibri.
Frota, S. (2008) Journal of Portuguese linguistics, Volume 7, Nummer 1, Edições Colibri.
Frota, S. (2009) Journal of Portuguese linguistics, Volume 8, Nummer 1, Edições Colibri.
Frota, S.(2009) Journal of Portuguese linguistics, Volume 8, Nummer 2, Edições Colibri.
Jeffry A. Coady, Julia L. Evans (2010). Uses and interpretations of non-word repetition tasks in children with and without specific language impairments (SLI). International Journal of Language & communication Disorders, 43, 1-40.
Silveira, M. (2011) Specific Language Impairment (SLI) revisited: evidence from a psycholinguistic investigation of grammatical gender abilities in Brazilian Portuguese-speaking children. UCL (University College London).
Silveira, M. (2006) A preliminary investigation of grammatical gender abilities in Portuguese-Speaking children with Specific Language Impairment. UCL (University College London).