Tomasowa, Francien Herlen
English for management
Universitas Brawijaya, 2005
 Buku Teks
Eastwood, John
English for travel
Oxford University Press, 1994
 Buku Teks
Scobie, Janet I.
English for the certificate
George Allen and Unwin, 1959
 Buku Teks
Puchta, Herbert
English in mind
Cambridge University Press, 2010
 Multimedia
Puchta, Herbert
English in mind
Cambridge University Press, 2010
 Multimedia