Não informado. (2008). Organization, activities and results up to .. Rockefeller Commission for the Eradication of Hookworm Disease.
Chicago-Zitierstil (17. Ausg.)Não informado. Organization, Activities and Results Up to .. Washington: Rockefeller Commission for the Eradication of Hookworm Disease, 2008.
MLA-Zitierstil (8. Ausg.)Não informado. Organization, Activities and Results Up to .. Rockefeller Commission for the Eradication of Hookworm Disease, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.