Não informado. (2012). Quarterly Bulletin of Northwestern University Medical School. Northwestern University Medical School.
Chicago (17e ed.) BronvermeldingNão informado. Quarterly Bulletin of Northwestern University Medical School. Chicago, Ill: Northwestern University Medical School, 2012.
MLA (8e ed.) BronvermeldingNão informado. Quarterly Bulletin of Northwestern University Medical School. Northwestern University Medical School, 2012.
Let op: Deze citaties zijn niet altijd 100% accuraat.