Bruton, Anthony
Active reading / Anthony Bruton and Angeles Broca
Nelson, 1993
 Buku Teks
Gilbert, Judy B.
Clear speech: pronunciation and listening comprehension in North American English: teachers resource book
Cambridge University Press, 2005
 Buku Teks
Hornby, Albert Sydney
Composition exercise in elementary English
Macmillan, 1951
 Buku Teks
Han'gul masut'o/한글 마스터 = Become a Hangeul master
Longt'eil Puksu, 2014
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Richards, Jack C.
Interchange English for international communication
Cambridge University Press, 1995
 Buku Teks