Dörnyei, Zoltán
Group dynamics in the language classroom
Cambridge University Press, 2004
 Buku Teks SO
Language and language learning
edited by Albert H. Marckwardt
National Council of Teachers of English, 1968
 Buku Teks SO
Richards, Jack C.
The Context of language teaching
Cambridge University Press, 1985
 Buku Teks
Richards, Jack C.
The Language teaching matrix
Cambridge University Press, 1994
 Buku Teks
Richards, Jack C.
Approaches and methods in language teaching
Cambridge University Press, 2006
 Buku Teks