(1898). Delaware College Agricultural experiment station: научное издание. Bulletin No XLII, december : The European and Japanese Chestnuts in the Eastern United States.
Chicago-referens (17:e uppl.)Delaware College Agricultural Experiment Station: научное издание. Bulletin No XLII, December : The European and Japanese Chestnuts in the Eastern United States. 1898.
MLA-referens (9:e uppl.)Delaware College Agricultural Experiment Station: научное издание. Bulletin No XLII, December : The European and Japanese Chestnuts in the Eastern United States. 1898.
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