Laird, Charlton Grant, 1901-
The miracle of language
Fawcett World Library, 1957
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Bloomfield, Leonard
Language
Holt, Rinehart and Winston, 1961
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Language processing
edited by Simon Garrod and Martin Pickering
Psychology Press, 1999
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Chomsky, Noam
Language and mind
Cambridge University Press, 2007
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Universals of language
edited by Joseph H. Greenberg
MIT Press, 1966
 Buku Teks SO