Não informado. (1947). Ohio farm and home research. Ohio Agricultural Experiment Station.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Ohio Farm and Home Research. Wooster, Ohio: Ohio Agricultural Experiment Station, 1947.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Ohio Farm and Home Research. Ohio Agricultural Experiment Station, 1947.
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