J W Copland. (1985). Draught animal power for production. Australian centere for intemational agicuture research.
शिकागो स्टाइल उद्धरणJ W Copland. Draught Animal Power for Production. Australian centere for intemational agicuture research, 1985.
एमएलए उद्धरणJ W Copland. Draught Animal Power for Production. Australian centere for intemational agicuture research, 1985.
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