Imperial Bureau of Soil Science. (1933). Bibliography of publications relating to tobacco soils and fertilisers. Imperial Bureau of Soil Science.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रImperial Bureau of Soil Science. Bibliography of Publications Relating to Tobacco Soils and Fertilisers. Harpenden, England: Imperial Bureau of Soil Science, 1933.
एमएलए (8वां संस्करण) प्रशस्ति पत्रImperial Bureau of Soil Science. Bibliography of Publications Relating to Tobacco Soils and Fertilisers. Imperial Bureau of Soil Science, 1933.
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