Richards, Jack C.
The Context of language teaching
Cambridge University Press, 1985
 Buku Teks SO
Nunan, David
Language teaching methodology : a textbook for teachers
Pearson Education, 2000
 Buku Referensi
Moulton, William G.
A linguistic guide to language teaching
Modern Language Association of America, 1966
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Gebhard, Jerry G.
Language teaching awareness: a guide to exploring beliefs and practices
Cambridge University Press, 1999
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Richards, Jack C.
The Language teaching matrix
Cambridge University Press, 1994
 Buku Teks SO