(1905). The ... annual Iowa year book of agriculture / issued by the Iowa Department of Agriculture.
Παραπομπή σε μορφή Chicago (17η εκδ.)The ... Annual Iowa Year Book of Agriculture / Issued by the Iowa Department of Agriculture. 1905.
Παραπομπή σε μορφή MLA (9th εκδ.)The ... Annual Iowa Year Book of Agriculture / Issued by the Iowa Department of Agriculture. 1905.
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