Radley, P. (2005). Horizons(student's book 2): Có sách. Oxford: Oxford University Press.
शिकागो स्टाइल उद्धरणRadley, Paul. Horizons(student's Book 2): Có Sách. Oxford: Oxford University Press, 2005.
एमएलए उद्धरणRadley, Paul. Horizons(student's Book 2): Có Sách. Oxford: Oxford University Press, 2005.
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