Allsop, Jake
English for Cambridge first certificate: a new course / by Jake Allsop
Cassell, 1981
 Buku Teks
Tomasowa, Francien Herlen
English for non-english departements
Universitas Brawijaya , 2005
 Buku Teks
Doff, Adrian
English Unlimited
Cambridge University Press, 2011
 Multimedia
Doff, Adrian
English Unlimited
Cambridge University Press, 2011
 Multimedia
Tomasowa, Francien Herlen
English for management
Universitas Brawijaya, 2005
 Buku Teks