Não informado. (2008). Organization, activities and results up to .. Rockefeller Commission for the Eradication of Hookworm Disease.
Chicago-referens (17:e uppl.)Não informado. Organization, Activities and Results Up to .. Washington: Rockefeller Commission for the Eradication of Hookworm Disease, 2008.
MLA-referens (8:e uppl.)Não informado. Organization, Activities and Results Up to .. Rockefeller Commission for the Eradication of Hookworm Disease, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.