e-mail no cadastrado
 Tomi D. Berney
 
 Berney, Tomi D.; Cooper, Robert L.; Fishman, Joshua A. (1968): Semantic independence and degree of bilingualism in two Puerto Rican communities [Semantic independence and degree of bilingualism in two Puerto Rican communities]. R. interam. Psicol. 2(4), 289-294 (eng.).