Não informado. (1913). University of California journal of agriculture. University of California.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. University of California Journal of Agriculture. Berkeley, Calif: University of California, 1913.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. University of California Journal of Agriculture. University of California, 1913.
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