McCarthy, Michael
English vocabulary in use : upper-intermediate & advanced
Erlangga, 2002
 Buku Teks SO
Bradford, Barbara
Intonation in context : intonation practice for upper-intermediate and advanced learners of English
Cambridge University Press, 1988
 Buku Teks SO
Jones, Leo
Great ideas : teacher's manual ; listening and speaking activities for students of American English / Leo Jones and Victoria Kimbrough
Cambridge University Press, 1989
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Barnett, E. de Barry
Inorganic chemistry : a text-book for advanced students
Longmans Green, 1957
 Buku Teks SO
Hewings, Martin
Advanced grammar in use : a reference and practice book for advanced students of english
Cambridge University Press, 2005
 Buku Teks SO