REFERENCES
- Chomsky, Noam. 1957. Syntactic structures. The Hague: Mouton.
- Fodor, J. A. and J. J. Katz, eds. 1964. The structure of language, Readings in the philosophy of language. Englewood Cliffs, N.J.: Prentice-Hall.
- Postal, Paul. 1964. Constituent structure. A study of contemporary models of syntactic descriptions. (substantially the same material may be found more accessibly in Postal's article “Limitations of Phrase Structure grammars” in Fodor and Katz (1964), pp. 137–151).