Colley, B. C. (2005). Practical manual of land development. New York, NY: McGraw-Hill.
शिकागो स्टाइल उद्धरणColley, Barbara C. Practical Manual of Land Development. New York, NY: McGraw-Hill, 2005.
एमएलए उद्धरणColley, Barbara C. Practical Manual of Land Development. New York, NY: McGraw-Hill, 2005.
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