Johnson, A. (2004). Plane and geodetic surveying: The management of control networks. London: Spon Press.
शिकागो स्टाइल उद्धरणJohnson, Aylmer. Plane and Geodetic Surveying: The Management of Control Networks. London: Spon Press, 2004.
एमएलए उद्धरणJohnson, Aylmer. Plane and Geodetic Surveying: The Management of Control Networks. London: Spon Press, 2004.
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