References

Additional sources and materials

1. Т. Givón. On understanding grammar. New York, 1979. 
2. T. Givón. From discourse to syntax: grammar as a processing strategy // T. Givón (ed.). Discourse and syntax. New York; San Francisco; London, 1979. 
3. T. Givón. Syntax: A functional-typological introduction. V. I. Amsterdam, 1984. 
4. T. Givón. Syntax: A functional-typological introduction. V. II, Amsterdam, 1990. 
5. T. Givón. Functionalism and grammar. Amsterdam, 1995. 
6. P. Hopper. Emergent grammar. Berkeley, 1987. 
7. P. Hopper. On some principles of grammaticalization // E.G. Traugott, B. Heine (eds.). Approaches to grammaticalization. Amsterdam, 1991.