Não informado. (2001). Annual Report of the Bureau of Agriculture. Bureau of Agriculture.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Annual Report of the Bureau of Agriculture. Manila: Bureau of Agriculture, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Annual Report of the Bureau of Agriculture. Bureau of Agriculture, 2001.
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