Não informado. (1927). Collected papers by Members of the Staff of the International Health Division of the Rockefeller Foundation. Rockefeller Foundation.
Chicago (17e ed.) BronvermeldingNão informado. Collected Papers by Members of the Staff of the International Health Division of the Rockefeller Foundation. New York: Rockefeller Foundation, 1927.
MLA (8e ed.) BronvermeldingNão informado. Collected Papers by Members of the Staff of the International Health Division of the Rockefeller Foundation. Rockefeller Foundation, 1927.
Let op: Deze citaties zijn niet altijd 100% accuraat.