Grellet, Francoise
Developing reading skills
Cambridge University Press, 1994
 Buku Referensi
Alexander, L.G.
Developing skills : an integrated course for intermediate students
Longman, 1964
 Buku Teks
Seal, Bernard
Academic encounters : reading, study skills, and writing, teacher's manual
Cambridge , 1999
 Buku Referensi
Satterwhite, Marilyn L.
Developing writing skill
McGraw-Hill, 1989
 Buku Teks
Grellet, Francoise
Developing reading skills: a practical guide to reading comprehension exercises
Cambridge University Press, 1981
 Buku Teks