McCarthy, Michael
English vocabulary in use : upper-intermediate & advanced
Erlangga, 2002
 Buku Teks
Jones, Leo
Eight simulation for upper-intermediate and more advanced students of English : controller's book / Leo Jones
Cambridge University Press, 1989
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Tilbury, Alex
English unlimited : B2 upper intermediate teacher's Pack
Cambridge University Press , 2011
 Buku Teks
Tilbury, Alex
English unlimited : B2 upper intermediate coursebook with e-portfolio
Cambridge University Press , 2011
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Swan, Michael
The new Cambridge English course. Student 4, Upper-intermediate
Cambridge University Press, 1993
 Buku Teks SO