Cheng, T. (2010). Relativity, gravitational and cosmology: Basic introduction. Oxford University Press.
शिकागो स्टाइल उद्धरणCheng, Ta-Pei. Relativity, Gravitational and Cosmology: Basic Introduction. Oxford University Press, 2010.
एमएलए उद्धरणCheng, Ta-Pei. Relativity, Gravitational and Cosmology: Basic Introduction. Oxford University Press, 2010.
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