Stern, H. H., Allen, P., & Harley, B. (1992). Issues and options in language teaching. Oxford University Press.
Chicago Style (17th ed.) CitationStern, H. H., Patrick Allen, and Birgit Harley. Issues and Options in Language Teaching. Oxford: Oxford University Press, 1992.
MLA (9th ed.) CitationStern, H. H., et al. Issues and Options in Language Teaching. Oxford University Press, 1992.
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