Approaches to teaching foreign languages
edited by M.G. Hesse
North-Holland, 1975
 Buku Teks SO
Routledge encyclopedia of language teaching and learning
Routledge, 2004
 Buku Teks
Huebener, Theodore
Audio-visual techniques In teaching foreign languages: a practical handbook
New York University Press, 1967
 Buku Teks SO
Routledge encyclopedia of language teaching and learning
edited by Michael Byram
Routledge, 2000 ; 2004
 Buku Referensi
Richards, Jack C.
The Context of language teaching
Cambridge University Press, 1985
 Buku Teks