Não informado. (1927). Collected papers by Members of the Staff of the International Health Division of the Rockefeller Foundation. Rockefeller Foundation.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Collected Papers by Members of the Staff of the International Health Division of the Rockefeller Foundation. New York: Rockefeller Foundation, 1927.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Collected Papers by Members of the Staff of the International Health Division of the Rockefeller Foundation. Rockefeller Foundation, 1927.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.