Shepherd, James F.
RSVP the Houghton Mifflin reading, study, and vocabulary program
Houghton Miffiln, 1984
 Buku Teks
Cunningham, Sarah
Everyday listening and speaking : intermediate
Oxford University Press, 1994
 Buku Teks
Cunningham, Sarah
Everyday listening and speaking pre-intermediate
Oxford University Press , 1994
 Buku Teks
Studying strategies : strategies 4. A core concept course for the first certificate examination / Brian Abbs ... [et al]
Longman, 1989
 Buku Teks
Yates, Paulene M.
Workbook and handbook : the new building better english / Paulene M. Yates, Edward N. de Laney
Harper & Row, 1962
 Buku Teks