Não informado. (1915). Journal of the Association of Official Agricultural Chemists. Association of Official Analytical Chemists.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Association of Official Agricultural Chemists. Baltimore, Md: Association of Official Analytical Chemists, 1915.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Association of Official Agricultural Chemists. Association of Official Analytical Chemists, 1915.
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