1. O dia syntheseos ypocorismos is tin Ellinikin;Babiniotis,1969
2. Language and context: The acquisition of pragmatics;Bates,1976
3. The influence of the addressee's sex on politeness in language use;Brouwer;Linguistics,1982
4. Universals in language usage: Politeness phenomena;Brown,1978
5. Politeness: Some universals in language usage;Brown,1987