Language and language learning
edited by Albert H. Marckwardt
National Council of Teachers of English, 1968
 Buku Teks SO
Richards, Jack C.
Approaches and methods in language teaching
Cambridge University Press, 1994
 Buku Teks
Richards, Jack C.
The Context of language teaching
Cambridge University Press, 1985
 Buku Teks SO
Richards, Jack C.
The Language teaching matrix
Cambridge University Press, 1994
 Buku Teks SO
Stevick, Earl W.
Images and options in the language classroom
Cambridge Cambridge University Press 1991,
 Buku Teks SO