Jones, Leo
Let's talk 3: teacher's manual / Leo Jones
Cambridge University Press, 2008
 Buku Teks SO
Jones, Leo
Let's talk 3 : self-study audio CD
Cambridge University Press, 2008
 Multimedia
Jones, Leo
Let's talk 2 : teacher's manual
cambridge University Press , 2009
 Buku Teks SO
Jones, Leo
Let's talk 1 : Teacher's manual
Cambridge University Press , 2011
 Buku Teks SO
Puchta, Herbert
English in mind : student's book 3
Cambridge University Press, 2010
 Buku Teks SO