USDA & Economic research service. (2001). The road ahead agricultural policy reform in the WTO summery report: Agriculture economic report number 797.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUSDA और Economic research service. The Road Ahead Agricultural Policy Reform in the WTO Summery Report: Agriculture Economic Report Number 797. 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUSDA और Economic research service. The Road Ahead Agricultural Policy Reform in the WTO Summery Report: Agriculture Economic Report Number 797. 2001.
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