Allen, Edward David, 1923-
Classroom techniques : foreign languages and English as a second language
Harcourt Brace Jovanovich, c1977
 Buku Teks SO
Levin, Lennart
Comparative studies in foreign-language teaching
Almqvist och Wiksell, 1972
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Fries, Charles Carpenter
Teaching and learning english as a foreign language
University of Michigan Press, 1951
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Translation in foreign language teaching and testing
edited by Christopher Titford
Gunter Narr, 1985
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Littlewood, William T.
Foreign and second language learning : language-acquisition research and its implications for the classroom
Cambridge University Press, 1994
 Buku Teks SO