International Conference of Agricultural Economists & International Association of Agricultural Economists. (1956). Proceedings of the ninth International Conference of Agricultural Economists. oxford university press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Conference of Agricultural Economists और International Association of Agricultural Economists. Proceedings of the Ninth International Conference of Agricultural Economists. new York: oxford university press, 1956.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational Conference of Agricultural Economists और International Association of Agricultural Economists. Proceedings of the Ninth International Conference of Agricultural Economists. oxford university press, 1956.
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