Não informado. (1887). Bulletin of the Vermont Agricultural Experiment Station. University of Vermont, College of Agriculture.
Citace podle Chicago (17th ed.)Não informado. Bulletin of the Vermont Agricultural Experiment Station. Burlington, Vt: University of Vermont, College of Agriculture, 1887.
Citace podle MLA (8th ed.)Não informado. Bulletin of the Vermont Agricultural Experiment Station. University of Vermont, College of Agriculture, 1887.
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