Alexander, L. (1990). Developing Skills: An Integrated Course for Intermediate Students. London: Longman.
शिकागो स्टाइल उद्धरणAlexander, L.G. Developing Skills: An Integrated Course for Intermediate Students. London: Longman, 1990.
एमएलए उद्धरणAlexander, L.G. Developing Skills: An Integrated Course for Intermediate Students. London: Longman, 1990.
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