Ohio Agricultural Research and Development Center. (1965). Research circular - Ohio Agricultural Research and Development Center. Ohio Agricultural Research and Development Center.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ohio Agricultural Research and Development Center. Research Circular - Ohio Agricultural Research and Development Center. Wooster: Ohio Agricultural Research and Development Center, 1965.
Παραπομπή σε μορφή MLA (8th εκδ.)Ohio Agricultural Research and Development Center. Research Circular - Ohio Agricultural Research and Development Center. Ohio Agricultural Research and Development Center, 1965.
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