7Newell, A. & H. A. Simon. Human Problem Solving[M]. Englewood Cliffs, New Jersey: Prentice Hall, INC., 1972.
8Hjelmslev, L. Translated by Francis J. Prolegomena to a Theory of Language[M]. Whitfield Madison: University of Wisconsin Press, 1961.
9Lamb, S. Pathways of the Brain: The Neurocognitive Basis of Language[M]. Amsterdam: John Benjamins, 1999.
10Fillmore, C. The case for case[A]. In E. Bach and R. Harms, eds., Universals in Linguistic Theory[C]. Holt, Rinchart and Winston: New York, 1968. 1-90.
