Singleton, R. (2010). Approaches to social research. New York: Oxford University Press.
शिकागो स्टाइल उद्धरणSingleton, Royce. Approaches to Social Research. New York: Oxford University Press, 2010.
एमएलए उद्धरणSingleton, Royce. Approaches to Social Research. New York: Oxford University Press, 2010.
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