Não informado. (1955). Medical bulletin. University of Minnesota Hospitals.
Chicago (17e ed.) BronvermeldingNão informado. Medical Bulletin. Minneapolis, Minn: University of Minnesota Hospitals, 1955.
MLA (8e ed.) BronvermeldingNão informado. Medical Bulletin. University of Minnesota Hospitals, 1955.
Let op: Deze citaties zijn niet altijd 100% accuraat.