Widdowson, H. G. (1979). Explorations in applied linguistics. Oxford University Press.
芝加哥风格引文Widdowson, H. G. Explorations in Applied Linguistics. Oxford: Oxford University Press, 1979.
MLA引文Widdowson, H. G. Explorations in Applied Linguistics. Oxford University Press, 1979.
警告：这些引文格式不一定是100％准确.