Não informado. (2020). Research Progress Report. Purdue University, Agricultural Experiment Station.
Citace podle Chicago (17th ed.)Não informado. Research Progress Report. Lafayette, Ind: Purdue University, Agricultural Experiment Station, 2020.
Citace podle MLA (8th ed.)Não informado. Research Progress Report. Purdue University, Agricultural Experiment Station, 2020.
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