Não informado. (2008). Organization, activities and results up to .. Rockefeller Commission for the Eradication of Hookworm Disease.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Organization, Activities and Results Up to .. Washington: Rockefeller Commission for the Eradication of Hookworm Disease, 2008.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Organization, Activities and Results Up to .. Rockefeller Commission for the Eradication of Hookworm Disease, 2008.
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