Ur, Penny
A course in language teaching : practice and theory
Cambridge University Press, 1991
 Buku Teks
Rivers, Wilga M.
Communicating naturally in a second language : theory and practice in language teaching
Cambridge University Press, 1994
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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
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Richards, Jack C.
The Language teaching matrix
Cambridge University Press, 1994
 Buku Teks