University of Nebraska (Lincoln campus). Agricultural Experiment Station. (1913). Research bulletin: Bulletin of the Agricultural Experiment Station of Nebraska. The Station.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of Nebraska (Lincoln campus). Agricultural Experiment Station. Research Bulletin: Bulletin of the Agricultural Experiment Station of Nebraska. Lincoln, Neb., U.S.A.: The Station, 1913.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUniversity of Nebraska (Lincoln campus). Agricultural Experiment Station. Research Bulletin: Bulletin of the Agricultural Experiment Station of Nebraska. The Station, 1913.
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