Chomsky, Noam
Reflections on language
Fontana/Collins , 1975
 Buku Teks SO
Funk & Wagnalls standard dictionary of the English language combine with Britanica world language dictionary : volume one
Encyclopaedia Britannica, Inc. ; Funk & Wagnalls Co., 1961
 Buku Referensi
Programming language one
by Frank Bates
Prentice-Hall, 1970
 Buku Teks SO
Reflections on english language teaching : vol. 1
Foreword by Wong Lian Aik
Center for English Language Communication. NUS, 2001
 Buku Teks SO
Language and linguistics : volume I
selected and introduced by Roy Harris
Routledge/Thoemmes Press, 1995
 Buku Referensi