Jones, Leo
Let's talk 2 : teacher's manual
cambridge University Press , 2009
 Buku Teks
Jones, Leo
Let's talk 1 : Teacher's manual
Cambridge University Press , 2011
 Buku Teks
Jones, Leo
Let's talk 3
Cambridge University Press, 2011
 Buku Teks
Gordon, Morton J.
A manual for speech improvement / Morton J. Gordon and Helene H. Wong
Prentice-Hall, 1961
 Buku Teks
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
 Buku Teks