Levinson, Stephen C. Language and Cognition Group, MPI for Psycholinguistics, Max Planck Society; Categories across Language and Cognition, MPI for Psycholinguistics, Max Planck Society;
Levinson, S. C. (2007). Pragmática [Portugese translation of 'Pragmatics', 1983]. Sao Paulo: Martins Fontes Editora.