1. Fondamenti di una Teoria Tipologica del Linguaggio;Antinucci,1977
2. Language and context: Studies in the acquisition of pragmatics;Bates,1976
3. A functionalist approach to the acquisition of grammar;Bates,1979
4. Functionalist approaches to grammar;Bates,1981
5. The cognitive basis for linguistic structures;Bever,1970