1. Geddes, M., & Sturtridge, G. (1982). Video in the language classroom. London: Heinemann.
2. Krashen, S. D. (1981). Second language acquisition and second language learning. Oxford: Pergamon.
3. Laurillard, D. (1991). Mediating the message: Programme design and students’ understanding. Instructional Science, 20(1), 3–24.
4. McGovern, J. (Ed.). (1983). Video applications in ELT. Oxford, England: Pergamon Press\The British Council (ELT Documents 114).
5. Mitterer, H., & McQueen, J. M. (2009). Foreign subtitles help but native-language subtitles harm foreign speech perception. PLoS One, 4(1), e7785. doi:
10.1371/journal.pone.0007785
.