Wallace, Michael J.
Action research for language teachers
Cambridge University Press, 2004
 Buku Teks SO
Second language writing : research insights for the classroom
editedby Barbara Kroll
Cambridge University Press, 1990
 Buku Teks SO
Second language writing : research insights for the classroom
edited by Barbara Kroll
Cambridge University Press, 1990
 Buku Teks
Littlewood, William T.
Foreign and second language learning : language-acquisition research and its implications for the classroom
Cambridge University Press, 1994
 Buku Teks SO
Dörnyei, Zoltán
Motivating learners, motivating teachers : building vision in the language classroom
Cambridge University Press, 2014
 Buku Teks SO