American Society of Agronomy. (1949). Advances in Agronomy. Academic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Society of Agronomy. Advances in Agronomy. San Diego, Calif: Academic Press, 1949.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAmerican Society of Agronomy. Advances in Agronomy. Academic Press, 1949.
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